Free Tiers

Source Code Repos link

• Bitbucket — Unlimited public and private Git repositories for up to 5 users, with integrated CI/CD via Pipelines.
• Chiselapp — Unlimited public and private Fossil repositories.
• Codebase — One free project with 100 MB storage for two users.
• Codeberg — Free hosting for public and private Git repositories, ideal for open-source projects. Includes CI/CD, static hosting, and package management.
• Framagit — GitLab-based forge by Framasoft with CI, static pages, project pages, and issue tracking.
• GitGud — Unlimited public and private repositories, powered by GitLab & Sapphire. CI/CD not included.
• GitHub — Unlimited public and private repositories with integrated CI/CD, project management tools, and GitHub Copilot.
• GitLab — Unlimited public and private Git repositories for up to 5 collaborators. Includes CI/CD, static hosting, and container registry.
• Heptapod — Fork of GitLab Community Edition supporting Mercurial repositories.
• Ionic Appflow — Ionic’s platform for developing mobile apps with Git-based repository, CI/CD, and deployment tools.
• NotABug — Free code collaboration platform for freely licensed projects, Git-based.
• OSDN — Free service for open-source projects, supporting SVN, Git, Mercurial, Bazaar, and CVS.
• Pagure — Free, open-source Git-based code collaboration platform for FOSS projects.
• Pijul — Distributed version control system based on patches, offering a unique solution to common version control issues.
• Plastic SCM — Free for individuals, open-source, and nonprofit organizations.
• ProjectLocker — One free private project with 50 MB, supporting Git and Subversion.
• RocketGit — Repository hosting with unlimited public and private Git repositories.
• Savannah GNU — GNU project’s collaborative software development management system for free software projects.
• Savannah Non-GNU — Collaborative development management system for non-GNU free software projects.

Artifact Repos link

• Artifactory — Supports various package formats and includes a package scanning tool with a free tier of 2,000 CI/CD minutes per month.
• Cloudsmith — Simple, secure, and centralized repository service supporting multiple package formats. Free for open-source projects.
• Gemfury — Private and public repos for various package managers. Free for public projects.
• RepoForge — Private cloud-hosted repository for Python, Debian, NPM, and Docker. Free for open-source projects.

IDE and Code Editing link

• 3v4l — Free online PHP shell and snippet-sharing site, runs code in 300+ PHP versions.
• Android Studio — Open Source IDE for building apps on Android devices. Available for Windows, Mac, Linux, and ChromeOS.
• AndroidIDE — Open Source IDE to develop real, Gradle-based Android applications on Android devices.
• Apache Netbeans — Development Environment, Tooling Platform, and Application Framework.
• Apiary — Collaborative API design with instant API mock and generated documentation. Free for unlimited API blueprints and users.
• BBEdit — Popular and extensible editor for macOS. Free Mode includes powerful core features.
• Binder — Turn a Git repo into a collection of interactive notebooks. Free public service.
• BlueJ — Free Java Development Environment designed for beginners, supported by Oracle.
• Bootify — Spring Boot app generator with custom database and REST API.
• Brackets — Open-source text editor for web development. Lightweight and highly customizable.
• Cacher — Code snippet organizer with labels and support for 100+ programming languages.
• Code::Blocks — Free Fortran & C/C++ IDE, open source, available for Windows, macOS, and Linux.
• Cody — Free AI coding assistant for writing, understanding, fixing, and finding code.
• Codiga — Coding assistant to search, define, and reuse code snippets in your IDE.
• CodeSnip — Simple code snippets manager with categories, search, and tags. Free and unlimited.
• CoCalc — Collaborative calculation in the cloud with full Ubuntu browser access.
• CS50 Code — Visual Studio Code for CS50, adapted for students and teachers.
• CodePen — Playground for front-end web development.
• CodeSandbox — Online playground for React, Vue, Angular, and more.
• Components Studio — Code components in isolation, visualize in stories, and publish to npm.
• Eclipse Che — Web-based Kubernetes-native IDE for developer teams.
• FakeJSON — Generate fake data using its API. Describe what you want, and the API returns JSON data.
• GetVM — Instant free Linux and IDEs in a Chrome sidebar. Free tier includes 5 VMs per day.
• GitPod — Instant, ready-to-code dev environments for GitHub projects. Free tier includes 50 hours/month.
• Goorm IDE — Cloud IDE with multi-language support, Linux-based containers, collaboration, and Git integration.
• JDoodle — Online compiler and editor for 60+ programming languages. Free plan includes REST API compiling.
• JetBrains — Productivity tools, IDEs, and deployment tools like IntelliJ IDEA, PyCharm, and more. Free for students, teachers, and open source.
• JS Bin — Playground and code-sharing site for front-end web development.
• JSFiddle — Playground and code-sharing site for front-end web development, supporting collaboration.
• JSONPlaceholder — REST API endpoints that return fake data in JSON format. Source code available for local hosting.
• Lazarus — Delphi-compatible cross-platform IDE for Rapid Application Development.
• MarsCode — Free AI-powered cloud-based IDE.
• Micro Jaymock — Tiny API mocking microservice for generating fake JSON data.
• Mockable — Simple service to mock out RESTful API or SOAP web services. Quickly define endpoints returning JSON or XML data.
• Mockaroo — Generate realistic test data in formats like CSV, JSON, SQL, and Excel. Supports API mocks.
• Mocklets — HTTP-based mock API simulator for faster development and testing. Free tier available.
• Paiza — Browser-based web app development. Free plan includes one server with limited runtime and resources.
• Prepros — Compile Sass, Less, Stylus, Pug/Jade, and more. Includes browser reloading for web development.
• Replit — Cloud coding environment for various programming languages.
• SoloLearn — Cloud programming playground for running code snippets. Supports multiple programming languages.
• StackBlitz — Online IDE for creating, editing, and deploying full-stack apps. Supports NodeJS-based frameworks.
• Sublime Text — Popular, versatile, and highly customizable text editor.
• Visual Studio Code — Code editor optimized for building and debugging modern web and cloud applications. Developed by Microsoft.
• Visual Studio Community — Fully-featured IDE for cross-platform development with support for multiple languages including C#, C++, and Python.
• VSCodium — Community-driven, telemetry-free version of Microsoft’s VS Code.
• WakaTime — Quantified self-metrics for coding activity using text editor plugins. Limited free plan.
• Wave Terminal — Open-source, cross-platform terminal for seamless workflows. Includes session and history saving.
• WebComponents.dev — In-browser IDE for coding web components with 58 available templates.
• PHPSandbox — Online development environment for PHP.
• WebDB — Efficient database IDE with features like ERD, data generator, AI, and NoSQL structure manager.
• Zed — High-performance, multiplayer code editor from the creators of Atom.

Code Quality link

• Beanstalk — Complete workflow to write, review, and deploy code. Free for one user and one repository with 100 MB of storage.
• Browserling — Live interactive cross-browser testing. Free sessions up to 3 minutes with MS IE 9 under Vista.
• Codacy — Automated code reviews for multiple programming languages. Free for unlimited public and private repositories.
• Codeac — Automated Infrastructure as Code review tool for DevOps. Integrates with major platforms and supports multiple languages.
• CodeBeat — Automated Code Review Platform for many languages. Free forever for public repositories with Slack and email integration.
• Code Climate — Automated code review, free for Open Source projects and private repos for up to 4 collaborators.
• Codecov — Code coverage tool, free for Open Source and one private repository.
• CodeFactor — Automated Code Review for Git with unlimited users, public repositories, and one private repo for free.
• CodeScene — Visualizes organizational factors and prioritizes technical debt. Free for Open Source.
• CodSpeed — Automates performance tracking in CI pipelines to catch regressions before deployment. Free forever for Open Source projects.
• Coveralls — Displays test coverage reports. Free for Open Source.
• Dareboost — Provides 5 free analysis reports monthly for web performance, accessibility, and security.
• DeepCode — AI-powered tool to detect bugs and vulnerabilities in multiple languages. Free for open source and private repos.
• DeepScan — Advanced static analysis for JavaScript to find runtime errors. Free for Open Source.
• DeepSource — Continuous analysis of source code changes for security, performance, and style issues. Free for Open Source.
• DiffText — Instantly find differences between two blocks of code. Completely free to use.
• EverSQL — Platform for database and SQL query optimization.
• GerritHub — Code review for GitHub repositories. Free for open-source projects.
• GoCover — Code coverage for Go packages.
• GoReportCard — Code quality tool for Go projects. Free for Open Source.
• GTmetrix — Provides detailed reports and recommendations for optimizing website performance.
• Holistic — Static code analyzer for optimizing PostgreSQL with performance, security, and architecture issue detection.
• HoundCI — Comments on GitHub commits about code quality. Free for Open Source.
• Moderne — Automatic source code refactoring, migrations, and remediation at scale. Free for Open Source.
• Reviewable — Code review tool for GitHub repositories. Free for public or personal repos.
• Parsers — AST parsers and intermediate representation compilers as a service.
• Coverity Scan — Static code analysis for Java, C/C++, C#, and JavaScript. Free for Open Source.
• Scrutinizer CI — Continuous inspection platform for code quality. Free for Open Source.
• SemanticDiff — Programming language-aware diff for GitHub pull requests and commits. Free for public repositories.
• Shields.io — Create quality metadata badges for open-source projects.
• SonarCloud — Automated source code analysis for multiple languages. Free for Open Source.
• SourceLevel — Automated Code Review and Team Analytics. Free for Open Source and up to 5 collaborators.
• WebCEO — SEO tools with code verification and support for different devices.
• Zoompf — Analyze and improve website performance with detailed suggestions.

Low-code Platform link

• Clappia — Low-code platform for building business process applications with customizable mobile and web apps. Features include a drag-and-drop interface, offline support, real-time location tracking, and integrations with various third-party services.
• Basedash — Low-code platform for building internal admin panels and dashboards. Supports SQL databases and REST APIs.
• BudiBase — Open-source low-code platform for creating internal apps in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, REST API, Docker, and Kubernetes.
• Appsmith — Low-code project to build admin panels, internal tools, and dashboards. Integrates with 15+ databases and any API.
• ToolJet — Extensible low-code framework for building business applications. Connects to databases, cloud storages, GraphQL, API endpoints, Airtable, and more using a drag-and-drop builder.
• ReTool — Highly hackable low-code platform for building internal applications. Supports JavaScript and APIs. Free tier includes up to five users, unlimited apps, and API connections.
• DronaHQ — Low-code platform for building internal tools, custom user journeys, admin panels, and operational apps 10x faster. Ideal for engineering teams and product managers.
• ILLA Cloud — Open-source low-code platform for developers to build internal tools quickly using a library of components and actions. Free for up to 5 team members.
• OutSystems — Enterprise web development platform offering unlimited code and up to 1 GB database storage in its free ‘personal environment’ tier.
• UI Bakery — Low-code platform for building custom web applications with drag-and-drop UI and high customization via JavaScript, Python, and SQL. Free for up to 5 users.
• Mendix — Rapid application development platform for enterprises. Free tier includes sandbox environments with 0.5 GB storage and 1 GB RAM per app.
• Lil’bots — Online platform for writing and running scripts with built-in APIs like OpenAI, Anthropic, and Firecrawl. Free tier includes 10,000 execution credits per month and AI coding assistant.

Docker Related link

• Canister.io — 20 free private repositories for developers, 30 free private repositories for teams to build and store Docker images.
• Container Registry Service — Harbor-based container management solution. Free tier offers 1 GB of storage for private repositories.
• Docker Hub — One free private repository and unlimited public repositories to build and store Docker images.
• Play with Docker — A simple, interactive, fun playground to learn Docker.
• Quay.io — Build and store container images with unlimited free public repositories.
• TTL.sh — Anonymous and ephemeral Docker image registry.

Testing link

• Applitools — Smart visual validation for web, native mobile, and desktop apps. Integrates with most automation solutions and remote runners. Free for open source projects. A free tier for a single user with limited checkpoints per week.
• Appetize — Cloud-based emulator for Android and iOS apps. Includes two concurrent sessions with 30 minutes of usage per month. No app size limit.
• Apptim — Mobile testing tool for evaluating app performance and user experience (UX). Free desktop version for unlimited tests on both iOS and Android.
• Bencher — Continuous benchmarking tool suite to catch CI performance regressions. Free for public projects.
• BugBug — Lightweight test automation tool for web applications. Unlimited local tests for free, with paid plans for cloud monitoring and CI/CD integration.
• LambdaTest — Manual, visual, screenshot, and automated browser testing on Selenium and Cypress. Free for open source projects.
• BrowserStack — Manual and automated browser testing. Free for open source projects.
• Checkbot — Browser extension to test if your website follows over 50 SEO, speed, and security best practices. Free for smaller websites.
• Checkly — Code-first synthetic monitoring for APIs and apps, with Monitoring as Code workflow. Generous free tier for developers.
• Cypress — Fast, easy, and reliable testing for anything that runs in a browser. Free and open-source Test Runner with no restrictions. Free Dashboard for open-source projects.
• Cypress Recorder by Preflight — Create AI-powered Cypress Tests/POM models on your browser. Free for five monthly test creations, including self-healing scripts, email, and visual testing.
• Everystep Automation — Records and replays steps in a web browser, creating scripts. Free version with fewer options.
• Gremlin — Chaos Engineering tools for injecting failure into systems to identify weaknesses. Free tier includes shutdown and CPU attacks on up to five hosts or containers.
• Gridlastic — Selenium Grid testing. Free plan includes up to 4 simultaneous nodes, 10 grid starts, and 4,000 test minutes per month.
• Katalon — Comprehensive testing platform including Katalon Studio, TestOps, TestCloud, and Recorder. Free Visual Testing and other tools available.
• Keploy — Functional testing toolkit for developers. Generates E2E API tests and mocks/stubs. Free for open source projects.
• Loadmill — Automatically create API and load tests by analyzing network traffic. Free plan supports up to 50 concurrent users for 60 minutes monthly.
• Octomind — Auto-generate, run, and maintain Playwright UI tests with AI-assisted test case generation.
• Preflight — No-code automated web testing. Record tests in your browser and run them on Windows machines. Free plan includes 50 monthly test runs.
• Argos — Open source visual testing platform for developers. Free for open source projects with unlimited projects and 5,000 monthly screenshots.
• Percy — Visual testing for any web app, static site, or component library. Free plan includes 5,000 snapshots/month and unlimited projects.
• Lost Pixel — Holistic visual regression testing for Storybook, Ladle, Histoire stories, and web apps. Free for open source with 7,000 monthly snapshots.
• Repeato — No-code mobile app test automation for native, flutter, react-native, and more. Free plan includes 10 tests for iOS and 10 for Android.
• Requestly — Open-source Chrome extension for intercepting, redirecting, and mocking HTTP requests. Free tier includes up to 10 rules.
• SEO Test — Free on-page SEO tester for websites with 10 free crawls per day.
• Snippets by UI-licious — Platform for cross-browser testing with no signup required. Free tests on Chrome up to 3 minutes per test run.
• TestCollab — User-friendly test management software with Jira integration, unlimited projects, and more. Free plan includes 1GB of storage.
• TestingBot — Selenium browser and device testing. Free for open source projects.
• TestSpace — Dashboard for publishing automated test results. Free for open source with support for 450 monthly results.
• Tesults — Test results reporting and test case management. Free for individuals and small teams.
• Webhook Site — Verify webhooks, outbound HTTP requests, or emails with a custom URL. Free to use.
• Vaadin — Build scalable UIs with Java or TypeScript. Unlimited projects with 5 years of free maintenance.
• Webhook Test — Debug and inspect webhooks and HTTP requests with a unique URL. Unlimited free URLs and recommendations.

Cloud management solutions link

• Brainboard — Collaborative solution to visually design and manage cloud infrastructures from end to end.
• Cloud 66 — Comprehensive deployment and management tools for applications on any cloud. Free tier includes one deployment server for personal projects.
• Deployment.io — Automates AWS deployments. Free for a single user, with unlimited static sites, web services, and environments, plus 20 job executions per month.
• Pulumi — Infrastructure as code platform that lets you use programming languages to build, deploy, and manage cloud infrastructure.
• Scalr — Terraform Automation and Collaboration platform. Full CLI support, OPA integration, and free tier with up to 50 runs/month.
• Terraform — Terraform Cloud provides free remote state management and team collaboration for up to 500 resources.

Cloud Management System link

• Bitnami — Deploy pre-configured apps on IaaS platforms. Free management of one AWS micro instance.
• Esper — MDM and MAM solution for Android devices with DevOps integration. Free for up to 100 devices with one user license and 25 MB of application storage.
• Jamf — Device management for Apple devices, including iPads, iPhones, and Macs. Free for up to three devices.
• Miradore — Device management service to monitor and secure device fleets. Free plan includes basic features for unlimited devices.
• Moss — A tool to help developers deploy and manage their web apps and servers. Free for up to 25 git deployments per month.
• RunCloud — Server management platform primarily for PHP projects. Free for managing one server.
• Ploi — Server management tool for deploying and managing servers and websites easily. Free for one server.

PaaS (Platform as a Service) link

• anvil.works — Web app development with nothing but Python. Free tier with unlimited apps and 30-second timeouts.
• appwrite — Unlimited projects with no project pausing (supports websockets) and authentication service. 1 Database, 3 Buckets, 5 Functions per project in free tier.
• configure.it — Mobile app development platform, free for two projects, limited features but no resource limits.
• codenameone.com — Open source, cross-platform, mobile app development toolchain for Java/Kotlin developers. Free for commercial use with an unlimited number of projects.
• deco.cx — Edge-native frontend platform with a visual CMS auto-generated from TypeScript code. Built-in A/B testing, content segmentation, and real-time analytics. Perfect for content-heavy and Enterprise e-commerce websites. Free up to 5k pageviews/month or open-source/personal projects.
• Deno Deploy — Distributed system that runs JavaScript, TypeScript, and WebAssembly at the edge worldwide. The free tier includes 100,000 requests per day and 100 GiB data transfers per month.
• domcloud.co — Linux hosting service that provides CI/CD with GitHub, SSH, and MariaDB/Postgres database. The free version has 1 GB storage and 1 GB network/month limit and is limited to a free domain.
• encore.dev — Backend framework using static analysis to provide automatic infrastructure, boilerplate-free code, and more. Includes free cloud hosting for hobby projects.
• flightcontrol.dev — Deploy web services, databases, and more on your own AWS account with a Git push style workflow. Free tier for users with 1 developer on personal GitHub repos. AWS costs are billed through AWS, but you can use credits and the AWS free tier.
• gigalixir.com — Gigalixir provides one free instance that never sleeps and a free-tier PostgreSQL database limited to 2 connections, 10,000 rows and no backups for Elixir/Phoenix apps.
• Glitch — Free public hosting with code sharing and real-time collaboration features. The free plan has a 1000-hours/month limit.
• Lade — Lade is a cloud platform built for developers. The free tier includes three services, which can be either apps or databases. Each service includes 128 MB RAM and 1 GB storage.
• pipedream.com — An integration platform built for developers. Develop any workflow based on any trigger. Workflows are code you can run for free. No server or cloud resources to manage.
• pythonanywhere.com — Cloud Python app hosting. Beginner account is free, 1 Python web application at your-username.pythonanywhere.com domain, 512 MB private file storage, one MySQL database.
• ampt.dev — Ampt lets teams build, deploy, and scale JavaScript apps on AWS without complicated configs or managing infrastructure. Free Preview plan includes 500 invocations hourly, 2,500 invocations daily and 50,000 invocations monthly. Custom domains are allowed only in the paid plans.
• Koyeb — Koyeb is a developer-friendly serverless platform to deploy apps globally. Seamlessly run Docker containers, web apps, and APIs with git-based deployment, native autoscaling, a global edge network, and built-in service mesh and discovery. Free Instance lets you deploy a web service in Frankfurt, Germany or Washington, D.C., US. Free Managed Postgres database available in Frankfurt (Germany), Washington, D.C. (US), and Singapore. 512MB memory, 2GB storage, and 0.1 CPU. No credit card is required to get started.
• Napkin — FaaS with 500Mb of memory, a default timeout of 15 seconds, and 5,000 free API calls/month rate-limited to 5 calls/second.
• Meteor Cloud — Galaxy hosting. Meteor’s platform-as-a-service for Meteor apps includes free MongoDB Shared Hosting and automatic SSL.
• Northflank — Build and deploy microservices, jobs, and managed databases with a powerful UI, API & CLI. Seamlessly scale containers from version control and external Docker registries. The free tier includes two services, two cron jobs and 1 database.
• YepCode — All-in-one platform to connect APIs and services in a serverless environment. It brings all the agility and benefits of NoCode tools but with all the power of using programming languages. The free tier includes 1.000 yeps.
• WunderGraph — An open-source platform that allows you to quickly build, ship and manage modern APIs. Built-in CI/CD, GitHub integration, and automatic HTTPS. Up to 3 projects, 1GB egress, 300 minutes of build time per month on the free plan.

IaaS (Infrastructure as a Service) link

• 4EVERLAND — Compatible with AWS S3 - APIs, interface operations, CLI, and other upload methods, upload and store files from the IPFS and Arweave networks in a safe, convenient, and efficient manner. Registered users can get 6 GB of IPFS storage and 300MB of Arweave storage for free. Any Arweave file uploads smaller than 150 KB are free.
• Backblaze B2 — Backblaze B2 cloud storage. Free 10 GB (Amazon S3-like) object storage for unlimited time.
• Filebase — S3 Compatible Object Storage Powered by Blockchain. 5 GB free storage for an unlimited duration.
• Tebi — S3 compatibility object storage. Free 25 GB storage and 250GB outbound transfer.
• Idrive e2 — S3 compatibility object storage. 10 GB free storage and 10 GB download bandwidth per month.
• C2 Object Storage — S3 compatibility object storage. 15 GB free storage and 15 GB downloads per month.
• Spheron — From Decentralised Cloud Storage and web Hosting to Decentralised Compute for Apps and developers under one platform, the Free plan provides 5GB Storage, 100GB Bandwidth, Unlimited Domain and projects, $5 worth of Compute resources (Worth $50 w.r.t AWS).

BaaS (Backend as a Service) link

• Activepieces — Build automation flows to connect several apps together in your app’s backend. For example, send a Slack message or add a Google Sheet row when an event fires in your app. Free up to 5,000 tasks per month.
• Back4App — Back4App is an easy-to-use, flexible and scalable backend based on Parse Platform.
• Backendless — Mobile and Web Baas, with 1 GB file storage free, push notifications of 50,000/month, and 1000 data objects in the table.
• Bismuth Cloud — Our AI will boostrap your Python API on our function runtime and hosted storage, build and host for free in our online editor or locally with your favorite tools.
• BMC Developer Program — The BMC Developer Program provides documentation and resources to build and deploy digital innovations for your enterprise. Access to a comprehensive, personal sandbox that includes the platform, SDK, and a library of components that can be used to build and tailor apps.
• ConnectyCube — Unlimited chat messages, p2p voice & video calls, files attachments and push notifications. Free for apps up to 1000 users.
• Convex — Reactive backend as a service, hosting your data (documents with relationships & serializable ACID transactions), serverless functions, and WebSockets to stream updates to various clients. Free for small projects - up to 1M records, 5M monthly function calls.
• Darklang — Hosted language combined with editor and infrastructure. Accessible during the beta, a generous free tier is planned after beta.
• Firebase — Firebase helps you build and run successful apps. Free Spark Plan offers Authentication, Hosting, Firebase ML, Realtime Database, Cloud Storage, Testlab. A/B Testing, Analytics, App Distribution, App Indexing, Cloud Messaging (FCM), Crashlytics, Dynamic Links, In-App Messaging, Performance Monitoring, Predictions, and Remote Config are always free.
• Flutter Flow — Build your Flutter App UI without writing a single line of code. Also has a Firebase integration. The free plan includes full access to UI Builder and Free templates.
• GetStream — Build scalable In-App Chat, Messaging, Video and audio, and Feeds in a few hours instead of weeks.
• Hasura — Hasura extends your existing databases wherever it is hosted and provides an instant GraphQL API that can be securely accessed for web, mobile, and data integration workloads. Free for 1GB/month of data pass-through.
• Iron.io — Async task processing (like AWS Lambda) with free tier and 1-month free trial.
• Nhost — Serverless backend for web and mobile apps. The free plan includes PostgreSQL, GraphQL (Hasura), Authentication, Storage, and Serverless Functions.
• OneSignal — Unlimited free push notifications. 10,000 email sends per month, with unlimited contacts and access to Auto Warm Up.
• Paraio — Backend service API with flexible authentication, full-text search and caching. Free for one app, 1GB of app data.
• Progress Kinvey — Mobile backend, starter plan has unlimited requests/second, with 1 GB of data storage. Enterprise application support.
• PubNub — Free push notifications for up to 1 million messages/month and 100 active daily devices.
• PushBots — Push notification service. Free for up to 1.5 million pushes/month.
• PushCrew — Push notification service. Unlimited notifications for up to 2,000 Subscribers.
• Pusher Beams — Free, unlimited push notifications for 2000 monthly active users. A single API for iOS and Android devices.
• QuickBlox — A communication backend for instant messaging, video, and voice calling, and push notifications.
• RestSpace — Configure a server with services for auth, data, files, email API, templates, and more, then compose into pipelines and transform data.
• Salesforce Developer Program — Build apps Lightning fast with drag-and-drop tools. Customize your data model with clicks. Go further with Apex code. Integrate with anything using powerful APIs. Stay protected with enterprise-grade security. Customize UI with clicks or any leading-edge web framework. Free Developer Program gives access to the full Lightning Platform.
• ServiceNow Developer Program — Rapidly build, test, and deploy applications that make work better for your organization. Free Instance & access to early previews.
• Simperium — Move data everywhere instantly and automatically, multi-platform, unlimited sending and storage of structured data, max. 2,500 users/month.
• Singlebase Cloud — SinglebaseCloud is an AI-powered all-in-one backend platform to accelerate app development. It offers tools like Vector DB, Relational Document DB, Auth, Search, and Storage, aiming to simplify backend development. Free/Starter Plan offers Relational Document DB, Auth, Search, Storage.
• StackStorm — Event-driven automation for apps, services, and workflows, free without flow, access control, LDAP.
• StreamData.io — Turns any REST API into an event-driven streaming API. Free plan up to 1 million messages and ten concurrent connections.
• Supabase — The Open Source Firebase Alternative to build backends. Free Plan offers Authentication, Realtime Database & Object Storage.
• Tyk — API management with authentication, quotas, monitoring and analytics. Free cloud offering.
• Zapier — Connect the apps you use to automate tasks. Five zaps every 15 minutes and 100 tasks/month.
• IFTTT — Automate your favorite apps and devices. Free 2 Applets.
• Integrately — Automate tedious tasks with a single click. Free 100 Tasks, 15 Minute Update Time, five active automations, webhooks.
• LeanCloud — Mobile backend. 1GB of data storage, 256MB instance, 3K API requests/day, and 10K pushes/day are free. (API is very similar to Parse Platform).

CDN and Protection link

• BootstrapCDN — CDN for Bootstrap, Bootswatch, and Font Awesome.
• cdnjs — Free and open-source CDN service, powered by Cloudflare and trusted by over 11% of all websites.
• Google Hosted Libraries — Content distribution network for popular Open Source JavaScript libraries by Google.
• Stellate — Fast and reliable CDN for GraphQL APIs, free for up to two services.
• jsdelivr — Open-source CDN supporting npm, GitHub, WordPress, Deno, and more.
• Microsoft Ajax CDN — Hosts popular third-party JavaScript libraries like jQuery for easy integration.
• OVH SSL Gateway — Provides free DDoS protection and SSL certificate.
• Skypack — 100% Native ES Module JavaScript CDN, free for up to 1 million requests per month.
• Raw Githack — Modern replacement for Rawgit, hosts files using Cloudflare.
• Section.io — Varnish Cache solution, free forever for one site.
• Statically — CDN for Git repos, WordPress assets, and images.
• Toran Proxy — Proxy for Packagist and GitHub, free for personal use.
• UNPKG — CDN for npm packages.
• Weserv Images — Image cache and resize service with worldwide cache.
• Namecheap Supersonic — Offers free DDoS protection.
• Gcore CDN — Global content delivery network with 1 TB and 1 million requests per month for free.
• CacheFly — Offers up to 5 TB per month of free CDN traffic, 19 Core PoPs, 1 domain, and Universal SSL.

Web Hosting link

• Alwaysdata — 100 MB free web hosting with support for MySQL, PostgreSQL, CouchDB, MongoDB, PHP, Python, Ruby, Node.js, Elixir, Java, Deno, custom web servers, access via FTP, WebDAV and SSH; mailbox, mailing list and app installer included.
• Awardspace — Free web hosting + a free short domain, PHP, MySQL, App Installer, Email Sending & No Ads.
• Bohr — Free for non commercial projects + Developer-First Deployment and Development Platform that minimizes infrastructure hassle and speed up setup.
• Bubble — Visual programming to build web and mobile apps without code, free with Bubble branding.
• dAppling Network — Decentralized web hosting platform for Web3 frontends focusing on increasing uptime and security and providing an additional access point for users.
• DigitalOcean — Build and deploy three static sites for free on the App Platform Starter tier.
• Drive To Web — Host directly to the web from Google Drive & OneDrive. Static sites only. Free forever. One site per Google/Microsoft account.
• Fenix Web Server — A developer desktop app for hosting sites locally and sharing them publically (in real-time). Work however you like, using its beautiful user interface, API, and/or CLI.
• Fern — Build and host a Markdown-based documentation site on Fern’s free plan. You can even auto-generate an API reference for your site from API definition files. The site is hosted at yoursite.docs.buildwithfern.com.
• Free Hosting — Free Hosting With PHP 5, Perl, CGI, MySQL, FTP, File Manager, POP E-Mail, free sub-domains, free domain hosting, DNS Zone Editor, Web Site Statistics, FREE Online Support and many more features not offered by other free hosts.
• Freehostia — FreeHostia offers free hosting services incl. an industry-best Control Panel & a 1-click installation of 50+ free apps. Instant setup. No forced ads.
• HelioHost — Non-profit free web hosting with Plesk control panel, PHP, Node.js, Python, Django, Flask, .NET, Perl, CGI, MySQL, PostgreSQL, SQLite, IMAP/POP3/SMTP email, unlimited bandwidth, free subdomains, 1000 MB storage for free with the option to upgrade.
• Kinsta Static Site Hosting — Deploy up to 100 static sites for free, custom domains with SSL, 100 GB monthly bandwidth, 260+ Cloudflare CDN locations.
• Lecturify — Web hosting with SFPT access for file upload and download, PHP available.
• Neocities — Static, 1 GB free storage with 200 GB Bandwidth.
• Netlify — Builds, deploys and hosts static site/app free for 100 GB data and 100 GB/month bandwidth.
• Pantheon — Drupal and WordPress hosting, automated DevOps, and scalable infrastructure. Free for developers and agencies. No custom domain.
• Read the Docs — Free documentation hosting with versioning, PDF generation, and more.
• Render — Unified cloud to build and run apps and sites with free SSL, a global CDN, private networks, auto-deploys from Git, and completely free plans for web services, databases, and static web pages.
• SourceForge — Find, Create, and Publish Open Source software for free.
• Surge.sh — Static web publishing for Front-End developers. Unlimited sites with custom domain support.
• Telegra.ph — Easily create web page using Quill.
• Tilda — One site, 50 pages, 50 MB storage, only the main pre-defined blocks among 170+ available, no fonts, no favicon, and no custom domain.
• Vercel — Build, deploy, and host web apps with free SSL, global CDN, and unique Preview URLs each time you git push. Perfect for Next.js and other Static Site Generators.
• Versoly — SaaS-focused website builder - unlimited websites, 70+ blocks, five templates, custom CSS, favicon, SEO and forms. No custom domain.
• Qoddi — PaaS service similar to Heroku with a developer-centric approach and all-inclusive features. Free tier for static assets, staging, and developer apps.
• FreeFlarum — Community-powered free Flarum hosting for up to 250 users (donate to remove the watermark from the footer).
• Fleek — Build modern sites and apps on the Open Web and its protocols seamlessly free for unlimited websites and 50 GB/month bandwidth.
• MDB GO — Free hosting for one project with two weeks Container TTL, 500 MB RAM per project, SFTP - 1G disk space.
• Patr Cloud — An easy-to-use cloud platform, among its paid services it offers to host three static sites for free.
• Serv00 — 3 GB of free web hosting with daily backups (7 days). Support: Crontab jobs, SSH access, repositories (GIT, SVN, and Mercurial), support: MySQL, PostgreSQL, MongoDB, PHP, Node.js, Python, Ruby, Java, Perl, TCL/TK, Lua, Erlang, Rust, Pascal, C, C++, D, R, and many more.

Email Services link

• 10 Minute Mail — Free, temporary email for testing purposes.
• AhaSend — Transactional email service with unlimited domains, team members, webhooks, and message routes. Free for up to 1,000 emails per month.
• AnonAddy — Open-source anonymous email forwarding with unlimited email aliases for free.
• Antideo — Email, IP, and phone number validation API with 10 free requests per hour. No credit card required.
• Brevo — Send up to 9,000 emails per month with a daily limit of 300 emails.
• Bump — Free for up to 10 Bump email addresses and one custom domain.
• Burner Mail — Free for 5 burner email addresses, one mailbox, and a 7-day mailbox history.
• Buttondown — Newsletter service free for up to 100 subscribers.
• CloudMailin — Handles incoming email via HTTP POST and transactional outbound email. Free for up to 10,000 emails per month.
• Contact.do — Simplify contact forms into a single link, similar to bit.ly for contact forms.
• DebugMail — An easy-to-use testing mail server for developers.
• DNS Exit — Provides up to 2 email addresses under your domain with 100MB of storage space. Includes IMAP, POP3, SMTP, SPF/DKIM support.
• EmailLabs — Send up to 9,000 emails per month with a daily limit of 300 emails.
• EmailOctopus — Free for up to 2,500 subscribers and 10,000 emails per month.
• EmailJS — Client-side email sending without exposing credentials. Free tier includes 200 requests per month and two email templates.
• EtherealMail — Fake SMTP service for testing email functionality without delivery. Ideal for Nodemailer users.
• Temp-Mail.org — Free temporary/disposable email generator with auto-refresh on reload.
• ForwardEmail — Free email forwarding for custom domains. Unlimited addresses unless using certain TLDs.
• Imitate Email — Sandbox Email Server for testing email functionality across build/QA and CI/CD environments. Free accounts allow 15 emails a day forever.
• ImprovMX — Free email forwarding service for custom domains.
• EForw — Free email forwarding service for one domain. Send and receive emails using your domain.
• Inboxes App — Create up to 3 temporary emails daily, delete them when done, and manage from a Chrome extension.
• InboxKitten — Free temporary/disposable email inbox with emails auto-deleted after 3 days. Open-source and self-hostable.
• Mail-tester — Test DNS/SPF/DKIM/DMARC configurations for email deliverability. Free tier includes 20 tests per month.
• DKIM Validator — Free service to verify email DNS/SPF/DKIM/DMARC settings.
• Mailcatcher — Captures mail for testing and serves it through a web interface.
• Mailcheck.ai — Blocks users from signing up with temporary email addresses. Free tier includes 120 requests/hour.
• Mailchimp — Email marketing service with a free plan for 500 subscribers and 1,000 emails per month.
• Maildroppa — Free plan for up to 100 subscribers with unlimited emails and automations.
• MailerLite — Email marketing platform with a free plan for 1,000 subscribers and 12,000 emails per month.
• MailerSend — Transactional email service with 3,000 emails/month in the free tier.
• Mailinator — Free public email system where you can use any inbox you want for testing.
• Mailjet — Free plan includes 6,000 emails/month with a daily sending limit of 200 emails.
• Mailnesia — Free temporary/disposable email with auto-visit registration links.
• Mailsac — Free API for temporary email testing, hosting public emails, and email-to-webhook features. Limit of 1,500 monthly API requests.
• Mailtrap — Fake SMTP server for development. Free plan includes one inbox and 100 messages per month.
• Mail7 — Free temporary email addresses for QA developers. Instantly create email addresses via Web Interface or API.
• Momentary Email — Free temporary email addresses with the option to read incoming emails via website or RSS feed.
• Mutant Mail — Free tier includes 10 email IDs, 1 domain, and 1 mailbox for managing multiple email IDs in a single inbox.
• Outlook — Free personal email service with calendar integration from Microsoft.
• Parsio — Free email parser to extract data from emails and forward it to your server.
• Pepipost — Free tier offers 30k emails in the first month and 100 emails/day thereafter.
• Plunk — Free plan provides 3,000 emails per month for transactional email delivery.
• Postmark — Transactional email API with 100 free emails per month and unlimited DMARC weekly digests.
• Proton Mail — Free secure email account service with end-to-end encryption and 1GB of storage.
• Queuemail — Reliable email delivery API. Free plan includes 10,000 emails per month and advanced features like webhooks and logging.
• QuickEmailVerification — Free email verification service with 100 daily verifications and additional APIs for DNS lookup, DEA detection, and SPF validation.
• Resend — Transactional email API offering 3,000 emails/month and 100 emails/day for free.
• Sender — Free plan supports up to 15,000 emails/month and 2,500 subscribers.
• SendGrid — Email delivery service offering 100 emails/day and up to 2,000 contacts for free.
• Sendpulse — Free email marketing platform for up to 500 subscribers and 15,000 emails/month.
• SimpleLogin — Open-source email alias and forwarding solution. Free tier includes 5 aliases and unlimited bandwidth.
• Substack — Unlimited free newsletter service, with monetization options for paid subscriptions.
• Sweego — European transactional email API for developers with 500 free emails/day.
• Takeout — Free transactional email service offering 500 emails/month.
• Temp-Mail.io — Free disposable email service supporting multiple addresses and forwarding options.
• TinyLetter — Simple email newsletter service, free for up to 5,000 subscribers.
• Touchlead — Multi-purpose marketing automation tool with lead management, form builder, and automation. Free for a limited number of leads and automations.
• Trashmail — Free disposable email addresses with forwarding and automatic address expiration.
• Tutanota — Free secure email service provider with built-in end-to-end encryption. Includes 1GB of storage and no ads or tracking.
• Verifalia — Real-time email verification API with mailbox confirmation and disposable email detection. 25 free verifications/day.
• Verimail — Bulk and API email verification service with 100 free verifications/month.
• Zoho — Provides a suite of free services including email hosting and collaboration tools. Free plans vary by service.
• Maileroo — SMTP relay and email API for developers. Free plan includes 5,000 emails/month, unlimited domains, blacklist monitoring, mail tester, and more.

Messaging and Streaming link

• Ably — Realtime messaging service with features like presence, persistence, and guaranteed delivery. Free plan includes 3 million messages per month, 100 peak connections, and 100 peak channels.
• CloudAMQP — RabbitMQ as a Service. Little Lemur plan includes 1 million messages/month, 20 concurrent connections, 100 queues, and 10,000 queued messages.
• Courier — Unified messaging API supporting push, email, SMS, chat, and more. Free plan includes 10,000 messages per month.
• Engagespot — Multi-channel notification infrastructure with a prebuilt in-app inbox and no-code template editor. Free plan includes 10,000 messages per month.
• HiveMQ — MQTT Cloud Native IoT Messaging Broker. Free to connect up to 100 devices forever without requiring a credit card.
• Knock — Notification infrastructure for developers. Send notifications across channels like in-app, email, SMS, Slack, and push. Free plan includes 10,000 messages per month.
• NotificationAPI — Add user notifications to any software. Free plan includes 10,000 notifications/month plus 100 SMS and automated calls.
• Novu — Open-source notification infrastructure for managing communication channels. Free plan includes 30,000 notifications per month with 90 days of retention.
• Pusher — Realtime messaging service with support for 100 simultaneous connections and 200,000 messages/day in the free tier.
• Scaledrone — Realtime messaging service. Free for up to 20 simultaneous connections and 100,000 events per day.
• Synadia — NATS.io as a service with global coverage. Free plan includes 4k message size, 50 active connections, and 5GB of data per month.
• CloudKarafka — Free shared Kafka cluster with up to 5 topics, 10MB of data per topic, and 28 days of data retention.
• PubNub — Messaging platform supporting 1 million transactions each month. Transactions can contain multiple messages.
• Eyeson API — Video communication API service based on WebRTC. Free tier includes 1,000 meeting minutes per month.
• Webpushr — Web push notifications platform. Free for up to 10,000 subscribers with unlimited push notifications.
• httpSMS — Send and receive text messages using your Android phone as an SMS Gateway. Free up to 200 messages per month.
• EMQX Serverless — Serverless MQTT broker with scalability and security. Free tier includes 1 million session minutes per month forever.

CMS link

• Acquia — Hosting for Drupal sites with a free tier for developers. Includes free development tools like Acquia Dev Desktop.
• Contentful — Headless CMS with content management and delivery APIs. Free Community space includes 5 users, 25K records, 48 content types, and 2 locales.
• Cosmic — Headless CMS and API toolkit with free personal plans for developers.
• Crystallize — Headless PIM with eCommerce support. Free version includes unlimited users, 1000 catalog items, 5GB/month bandwidth, and 25k/month API calls.
• DatoCMS — GraphQL-based CMS with a free tier for small projects, including 100k API calls per month.
• Directus — Completely free and open-source Headless CMS for managing database content on-prem or in the cloud.
• FrontAid — Headless CMS that stores JSON content directly in your Git repository. No restrictions.
• Kontent.ai — Content-as-a-Service platform with benefits of headless CMS. Free developer plan with two users, unlimited projects, and 500 content items.
• Prismic — Headless CMS with unlimited API calls, documents, custom types, and assets in the free Community Plan.
• Sanity.io — Structured content platform with unlimited projects, 500K API requests/month, 10GB bandwidth, and 5GB assets free per project.
• Sensenet — API-first headless CMS with a developer plan offering 500 content items, REST API, and document preview generation.
• TinaCMS — Open-source Git-backed CMS supporting Markdown, MDX, and JSON. Free basic plan with two users.
• Gatsby CMS — Flexible framework for building websites with any CMS, API, or database. Ideal for headless website projects.
• Hygraph — GraphQL-first Headless CMS with a free tier for small projects.
• Squidex — API/GraphQL-first Headless CMS, open source, with a free tier for small projects.
• InstaWP — Launch a WordPress site in seconds. Free tier includes 5 active sites, 500MB space, and 48-hour site expiry.
• Storyblok — Headless CMS for developers and marketers. Free Community tier with Management API, Visual Editor, and up to 2500 assets.
• WPJack — Set up WordPress on any cloud in under 5 minutes. Free tier includes 1 server, 2 sites, and free SSL certificates.

Managed Data Services link

• Aiven — Aiven offers free PostgreSQL, MySQL and Redis plans on its open-source data platform. Single node, 1 CPU, 1GB RAM, and for PostgreSQL and MySQL, 5GB storage. Easy migration to more extensive plans or across clouds.
• Airtable — Looks like a spreadsheet, but it’s a relational database unlimited bases, 1,200 rows/base, and 1,000 API requests/month.
• Astra — Cloud Native Cassandra as a Service with 80GB free tier.
• Codehooks — Easy to use JavaScript serverless API/backend and NoSQL database service with functions, MongoDB-like queries, key/value lookups, a job system, realtime messages, worker queues, a powerful CLI and a web-based data manager. Free plan has 5GB storage and 60/API calls per minute. 2 developers included. No credit-card required.
• CrateDB — Distributed Open Source SQL database for real-time analytics. Free Tier CRFREE: One-node with 2 CPUs, 2 GiB of memory, 8 GiB of storage. One cluster per organization, no payment method needed.
• FaunaDB — Serverless cloud database with native GraphQL, multi-model access, and daily free tiers up to 100 MB.
• Upstash — Serverless Redis with free tier up to 10,000 requests per day, 256MB max database size, and 20 concurrent connections.
• MongoDB Atlas — Free tier gives 512 MB.
• Redsmin — Online real-time monitoring and administration service for Redis, Monitoring for 1 Redis instance free.
• RedisLabs — Free 30MB Redis instance.
• MemCachier — Managed Memcache service. Free for up to 25MB, 1 Proxy Server, and basic analytics.
• Scalingo — Primarily a PaaS but offers a 128MB to 192MB free tier of MySQL, PostgreSQL, or MongoDB.
• SeaTable — Flexible, Spreadsheet-like Database built by the Seafile team. unlimited tables, 2,000 lines, 1-month versioning, up to 25 team members.
• Skyvia — Cloud Data Platform offers a free tier and all plans are completely free while in beta.
• StackBy — One tool that combines spreadsheets’ flexibility, databases’ power, and built-in integrations with your favorite business apps. The free plan includes unlimited users, ten stacks, and a 2GB attachment per stack.
• TiDB Cloud — TiDB is an open-source MySQL-compatible distributed HTAP RDBMS. TiDB Serverless provides 5GB of row storage, 5GB of column storage, and 50 million Request Units (RUs) for free each month.
• Turso by ChiselStrike — Turso is SQLite Developer Experience in an Edge Database. Turso provides a Free Forever starter plan, 9 GB of total storage, Up to 500 databases, Up to 3 locations, 1 billion row reads per month, and Local development support with SQLite.
• InfluxDB — Timeseries database, free up to 3MB/5 minutes writes, 30MB/5 minutes reads and 10,000 cardinalities series.
• Restdb.io — A fast and straightforward NoSQL cloud database service. With restdb.io you get schema, relations, automatic REST API (with MongoDB-like queries), and an efficient multi-user admin UI for working with data. The free plan allows 3 users, 2500 records, and 1 API request per second.
• CockroachDB — Free CockroachDB up to 5GB and 1vCPU (limited request units).
• Neo4j Aura — Managed native Graph DBMS / analytics platform with a Cypher query language and a REST API. Limits on graph size (50k nodes, 175k relationships).
• Neon — Managed PostgreSQL, 0.5 GB of storage (total), 1 Project, 10 branches, Unlimited Databases, always-available primary branch (auto suspend after 5 minutes), 20 hours of Active time per month (total) for non-primary branch compute.
• Dgraph Cloud — Managed native Graph DBMS with a GraphQL API. Limited to 1 MB data transfer per day.
• Tinybird — A serverless managed ClickHouse with connection-less data ingest over HTTP and lets you publish SQL queries as managed HTTP APIs. There is no time limit on free-tier, 10GB storage + 1000 API requests per day.
• TigerGraph Cloud — Managed native Graph DBMS / analytics platform with a SQL-like graph query language and a REST API. One free instance with two vCPU, 8GB Memory, and 50GB storage that sleeps after 1 hour of inactivity.
• TerminusCMS — Managed free service for TerminusDB, a document and graph database written in Prolog and Rust. Free for dev, paid service for enterprise deployments and support.
• YugabyteDB — YugabyteDB is a distributed SQL database compatible with PostgreSQL. The cloud-free tier includes two vCPU, 4GB RAM, and 10GB Disk.
• Filess.io — Filess.io is a platform where you can create one database of the following DBMS for free: MySQL, MariaDB, MongoDB, and PostgreSQL.
• Xata — Xata is a serverless database with built-in powerful search and analytics. One API, multiple type-safe client libraries, and optimized for your development workflow. The free-forever tier is sufficient for hobby developers which comes with three units of Xata.
• 8base — 8base is a full-stack low-code development platform built for JavaScript developers built on top of MySQL and GraphQL and serverless backend-as-a-service. The Free tier includes rows: 2,500, Storage: 500, Serverless computing: 1Gb/h, and client app users: 5.
• Nile — A Postgres platform for B2B apps. Unlimited databases, Always available with no shutdown, 1GB of storage (total), 50 million query tokens, autoscaling, unlimited vector embeddings.

Tools for Teams and Collaboration link

• 3Cols — Free cloud-based code snippet manager for personal and collaborative use.
• Bitwarden — Secure way to store, share, and sync sensitive data for individuals and teams.
• Braid — Team chat app offering unlimited users, history, and integrations. Open-source version available.
• cally.com — Simple scheduling tool for meetings, suitable for small and large groups.
• Calendly — Meeting scheduling tool with a free plan for unlimited sessions and 1 calendar connection per user.
• Discord — Chat with text, voice, video, and screen sharing. Free for unlimited users.
• Telegram — Fast, reliable messaging and calls with large group support and powerful file sharing.
• Dubble — Free tool to create step-by-step guides, document processes, and collaborate with teams.
• Duckly — Real-time collaboration for pair programming with voice, video, and screen sharing.
• Dyte — Live video & audio SDK with collaborative features. Free plan includes 10,000 minutes/month.
• evernote.com — Tool for organizing and sharing notes with teams.
• Fibery — Connected workspace platform free for single users with up to 2 GB disk space.
• Filestash — Dropbox-like file manager with support for multiple protocols like FTP, S3, and more.
• flock.com — Team communication tool with unlimited messages, channels, users, and integrations.
• Gather — Customizable spaces for online meetings. Free for up to 10 concurrent users.
• gokanban.io — Syntax-based Kanban Board for quick use with no registration required.
• flat.social — Customizable interactive spaces for team meetings. Free for up to 8 concurrent users.
• GitDailies — Daily GitHub activity reports with visualizers and alerts. Free tier includes 3 repos.
• gitter.im — Chat for GitHub with unlimited public and private rooms. Free for teams of up to 25.
• Hackmd.io — Real-time markdown collaboration and writing tool. Free unlimited notes.
• hangouts.google.com — Free communication platform for conversations with voice, video, and text.
• HeySpace — Task management tool with chat, calendar, and video calls. Free for up to 5 users.
• helplightning.com — Video assistance platform with augmented reality. Free basic features.
• ideascale.com — Platform for idea submission and voting. Free for 25 members in one community.
• Igloo — Internal portal for sharing documents, blogs, and calendars. Free for up to 10 users.
• Keybase — Open-source secure chat and file sharing platform for teams and communities.
• Google Meet — Secure and easy-to-join online video meetings. Free for basic use.
• /meet for Slack — Google Meetings integration with Slack. Free without limitations.
• Livecycle — Collaboration platform for cross-functional teams and open-source projects.
• Lockitbot — Resource reservation and locking within Slack. Free for up to 2 resources.
• MarkUp — Collect feedback directly on websites, PDFs, and images.
• Proton Pass — Password manager with email aliases and 2FA support. Free tier available.
• Visual Debug — Visual feedback tool for seamless client-dev communication.
• meet.jit.si — One-click video conversations with screen sharing, no sign-up required.
• Microsoft Teams — Digital hub for team communication and collaboration. Free for up to 500k users.
• Miro — Collaborative whiteboard tool for distributed teams. Freemium plan available.
• nootiz — Feedback and management tool for websites and web projects.
• Notion — All-in-one workspace for notes, tasks, and collaboration with markdown support.
• Nuclino — Collaborative wiki for teams’ knowledge, docs, and notes. Free for up to 50 items.
• hangouts.google.com — Free communication platform for conversations with voice, video, and text.
• HeySpace — Task management tool with chat, calendar, and video calls. Free for up to 5 users.
• helplightning.com — Video assistance platform with augmented reality. Free basic features.
• ideascale.com — Platform for idea submission and voting. Free for 25 members in one community.
• Igloo — Internal portal for sharing documents, blogs, and calendars. Free for up to 10 users.
• Keybase — Open-source secure chat and file sharing platform for teams and communities.
• Google Meet — Secure and easy-to-join online video meetings. Free for basic use.
• /meet for Slack — Google Meetings integration with Slack. Free without limitations.
• Livecycle — Collaboration platform for cross-functional teams and open-source projects.
• Lockitbot — Resource reservation and locking within Slack. Free for up to 2 resources.
• MarkUp — Collect feedback directly on websites, PDFs, and images.
• Proton Pass — Password manager with email aliases and 2FA support. Free tier available.
• Visual Debug — Visual feedback tool for seamless client-dev communication.
• meet.jit.si — One-click video conversations with screen sharing, no sign-up required.
• Microsoft Teams — Digital hub for team communication and collaboration. Free for up to 500k users.
• Miro — Collaborative whiteboard tool for distributed teams. Freemium plan available.
• nootiz — Feedback and management tool for websites and web projects.
• Notion — All-in-one workspace for notes, tasks, and collaboration with markdown support.
• Nuclino — Collaborative wiki for teams’ knowledge, docs, and notes. Free for up to 50 items.
• TimeCamp — Free time tracking software for unlimited users with integrations for tools like Trello and Asana.
• Teamcamp — Project management tool designed for software development companies.
• twist.com — Asynchronous team communication app. Free and Unlimited plans available.
• tldraw.com — Open-source whiteboarding tool with intelligent arrows, sticky notes, and multiplayer collaboration.
• BookmarkOS.com — All-in-one bookmark manager with collaboration features in an online desktop format.
• typetalk.com — Instant messaging for teams to share and discuss ideas, with web and mobile apps.
• Tugboat — Preview pull requests with automated and on-demand environments. Free for non-profits.
• whereby.com — Free one-click video conversations with no downloads required.
• windmill.dev — Open-source platform for building automations and internal apps. Free for up to 3 workspaces.
• vadoo.tv — Video hosting and marketing platform. Free tier offers up to 10 videos and 1 GB of storage.
• userforge.com — Tool for creating online personas and user stories. Free for up to 3 personas and 2 collaborators.
• wistia.com — Video hosting with analytics and marketing tools. Free tier includes 25 videos.
• wormhol.org — Simple file-sharing service for unlimited files up to 5GB.
• Wormhole — Share files up to 5GB with end-to-end encryption for 24 hours.
• zoom.us — Video conferencing tool with a free plan limited to 40-minute meetings.
• Zulip — Real-time chat platform with a unique threading model. Free tier includes 10,000 searchable messages.
• robocorp.com — Open-source platform for automation with free cloud features for developers.
• Fleep.io — Team chat alternative to Slack. Free for small teams with 1 group conversation and unlimited 1:1.
• Chanty.com — Slack alternative with unlimited public and private conversations and voice messages. Free for teams up to 10.
• ruttl.com — Visual feedback tool for reviewing websites, PDFs, and images.
• Mattermost — Open-source collaboration platform with features like unlimited channels, boards, and users. Free for up to 10GB storage.
• Webvizio — Tool for collecting website feedback directly on live websites, images, and PDFs.
• Pullflow — AI-enhanced code review platform integrated with GitHub, Slack, and VS Code.
• Webex — Video meetings with free plans offering 40 minutes per meeting for up to 100 attendees.
• RingCentral — Video conferencing tool with a free plan for meetings up to 50 minutes and 100 participants.
• GitBook — Platform for documenting technical knowledge with free plans for individual developers.
• transfernow — Simple and fast file transfer service with no mandatory subscription.
• paste.sh — Crypto-based and JavaScript-powered pastebin for securely sharing text snippets.
• Revolt.chat — Open-source alternative to Discord offering private and secure communication with plugin support.
• Tencent RTC — Real-time communication platform offering 10,000 free minutes/month for the first year.
• Pastefy — Pastebin with features like client-side encryption, multi-tab pastes, and an API.

Issue Tracking and Project Management link

• Acunote — Free project management and SCRUM software for up to 5 team members.
• Asana — Free for private project with collaborators.
• Backlog — Everything your team needs to release great projects in one platform. The free plan offers 1 Project with ten users & 100MB of storage.
• Basecamp — To-do lists, milestone management, forum-like messaging, file sharing, and time tracking. Up to 3 projects, 20 users, and 1GB of storage space.
• Bitrix24 — Intranet and project management tool. The free plan has 5GB for unlimited users.
• Cacoo — Online real-time diagrams: flowchart, UML, network. Free max. 15 users/diagram, 25 sheets.
• Chpokify — Teams-based Planning Poker that saves time on sprint estimation. Free up to 5 users, free Jira integrations, unlimited video calls, unlimited teams, unlimited sessions.
• ClickUp — Project management. Free, premium version with cloud storage. Mobile applications and Git integrations are available.
• Clockify — Time tracker and timesheet app that lets you track work hours across projects. Unlimited users, free forever.
• Cloudcraft — Design a professional architecture diagram in minutes with the Cloudcraft visual designer, optimized for AWS with intelligent components that show live data too. Free plan has unlimited private diagrams for single user.
• Codegiant — Project Management with Repository hosting & CI/CD. Free Plan Offers Unlimited Repositories, Projects & Documents with 5 Team Members. 500 CI/CD minutes per month. 30000 Serverless Code Run minutes per month 1GB repository storage.
• Confluence — Atlassian’s content collaboration tool is used to help teams collaborate and share knowledge efficiently. Free plan for up to 10 users.
• Contriber — Customizable project management platform, free starter plan, five workspaces.
• Crosswork — Versatile project management platform. Free for up to 3 projects, unlimited users, 1 GB storage.
• Diagrams.net — Online diagrams stored locally in Google Drive, OneDrive, or Dropbox. Free for all features and storage levels.
• Freedcamp — Tasks, discussions, milestones, time tracking, calendar, files, and password manager. Free plan with unlimited projects, users, and file storage.
• EasyRetro — Simple and intuitive sprint retrospective tool. The free plan has three public boards and one survey per board per month.
• GForge — Project Management and issue tracking toolset for complex projects with self-premises and SaaS options. SaaS free plan offers the first five users free & free for Open Source Projects.
• Gleek.io — Free description-to-diagrams tool for developers. Create informal UML class, object, or entity-relationship diagrams using your keyword.
• GraphQL Inspector — GraphQL Inspector outputs a list of changes between two GraphQL schemas. Every difference is precisely explained and marked as breaking, non-breaking, or dangerous.
• Huboard — Instant project management for your GitHub issues, free for Open Source.
• Hygger — Project management platform. The free plan offers unlimited users, projects & boards with 100 MB of storage.
• Instabug — A comprehensive bug reporting and in-app feedback SDK for mobile apps. Free plan up to 1 app and one member.
• WishKit — Collect in-app user feedback for your iOS/macOS app and prioritize features based on user votes. Free plan up to 1 app.
• Ilograph — Interactive diagrams that allow users to see their infrastructure from multiple perspectives and levels of detail. Charts can be expressed in code. The free tier has unlimited private diagrams with up to 3 viewers.
• Jira — Advanced software development project management tool used in many corporate environments. Free plan for up to 10 users.
• KanbanFlow — Board-based project management. Free, premium version with more options.
• KanbanTool — Kanban board-based project management. The free plan has two boards and two users, without attachments or files.
• Kitemaker — Collaborate through all phases of the product development process and keep track of work across Slack, Discord, Figma, and Github. Unlimited users, unlimited spaces. Free plan up to 250 work items.
• Kiter — Let anyone organize their job search and track interviews, opportunities, and connections. Powerful web app and Chrome extension. Completely free.
• Kumu — Relationship maps with animation, decorations, filters, clustering, spreadsheet imports, etc. The free tier allows unlimited public projects. Graph size unlimited. Free private projects for students.
• Linear — Issue tracker with a streamlined interface. Free for unlimited members, up to 10MB file upload size, 250 issues (excluding Archive).
• Leiga — Leiga is a SaaS product that uses AI to automatically manage your projects, helping your team stay focused and unleash immense potential, ensuring your projects progress as planned. Free for up to 10 users, 20 custom fields, 2GB of storage space, Video Recording with AI limited to 5 mins/video, Automation Runs at 20/user/month.
• Lucidchart — An online diagram tool with collaboration features. Free plan with three editable documents, 100 professional templates, and basic collaboration features.
• MeisterTask — Online task management for teams. Free up to 3 projects and unlimited project members.
• MeuScrum — Free online scrum tool with kanban board.
• nTask — Project management software that enables your teams to collaborate, plan, analyze, and manage everyday tasks. The essential plan is free forever with 100 MB storage and five users/teams. Unlimited workspaces, meetings, assignments, timesheets, and issue tracking.
• Ora — Agile task management & team collaboration. Free for up to 3 users and files are limited to 10 MB.
• Pivotal Tracker — Free for unlimited public projects and two private projects with three total active users (read-write) and unlimited passive users (read-only).
• Plan.io — Project Management with Repository Hosting and more options. Free for two users with ten customers and 500MB Storage.
• Plane — Plane is a simple, extensible, open-source project and product management tool. Free for unlimited members, up to 5MB file upload size, 1000 issues.
• PlanITpoker — Free online planning poker (estimation tool).
• Point.poker — Online Planning Poker (consensus-based estimation tool). Free for unlimited users, teams, sessions, rounds, and votes. You don’t need to register.
• ScrumFast — Scrum board with a very intuitive interface, free up to 5 users.
• Shake — In-app bug reporting and feedback tool for mobile apps. Free plan, ten bug reports per app/month.
• Shortcut — Project management platform. Free for up to 10 users forever.
• SpeedBoard — Board for Agile and Scrum retrospectives - Free.
• Tadum — Meeting agenda and minutes app designed for recurring meetings, free for teams of up to 10.
• Taiga — Project management platform for startups and agile developers, free for Open Source.
• Tara AI — Simple sprint management service. The free plan has unlimited tasks, sprints, and workspaces without user limits.
• TargetProcess — Visual project management, from Kanban and Scrum to almost any operational process. Free for unlimited users, up to 1,000 data entities.
• Taskade — Real-time collaborative task lists and team outlines. The free plan has one workspace with unlimited tasks and projects; 1GB file storage; 1-week project history; and five attendees per video meeting.
• Taskulu — Role-based project management. Free up to 5 users. Integration with GitHub/Trello/Dropbox/Google Drive.
• Teaminal — Standup, retro, and sprint planning tool for remote teams. Free for up to 15 users.
• Teamwork — Project management & Team Chat. Free for five users and two projects. Premium plans are available.
• Teleretro — Simple and fun retrospective tool with icebreakers, gifs and emojis. The free plan includes three retros and unlimited members.
• Testlio — Issue tracking, test management and beta testing platform. Free for private use.
• Terrastruct — Online diagram maker specifically for software architecture. Free tier up to 4 layers per diagram.
• Todoist — Collaborative and individual task management. The free plan has: 5 active projects, five users in the project, file uploading up to 5MB, three filters, and one week of activity history.
• Trello — Board-based project management. Unlimited Personal Boards, 10 Team Boards.
• Tweek — Simple Weekly To-Do Calendar & Task Management.
• Ubertesters — Test platform, integration and crowd testers, 2 projects, five members.
• Vabotu — A collaborative tool for project management. Free and other plans are available. The Freelance plan is for ten users and includes messaging, task boards, 5GB online storage, workspaces, and export data.
• Wikifactory — Product designing Service with Projects, VCS & Issues. The free plan offers unlimited projects & collaborators and 3GB storage.
• Yodiz — Agile development and issue tracking. Free up to 3 users, unlimited projects.
• YouTrack — Free hosted YouTrack (InCloud) for FOSS projects and private projects (free for three users). Includes time tracking and agile boards.
• ZenHub — The only project management solution inside GitHub. Free for public repos, OSS, and nonprofit organizations.
• Zenkit — Project management and collaboration tool. Free for up to 5 members, 5 GB attachments.
• Zube — Project management with free plan for 4 Projects & 4 users. GitHub integration is available.
• Toggl — Provides two free productivity tools. Toggl Track for time management and tracking app with a free plan provides seamless time tracking and reporting designed with freelancers in mind. It has unlimited tracking records, projects, clients, tags, reporting, and more. And Toggl Plan for task planning with a free plan for solo developers with unlimited tasks, milestones, and timelines.
• Sflow — sflow.io is a project management tool built for agile software development, marketing, sales, and customer support, especially for outsourcing and cross-organization collaboration projects. Free plan up to 3 projects and five members.
• Pulse.red — Free Minimalistic Time Tracker and Timesheet app for projects.

Authentication, Authorization, and User Management link

• Aserto — Fine-grained authorization as a service for applications and APIs. Free for up to 1,000 monthly active users (MAUs) and 100 authorizer instances.
• Asgardeo — Seamless integration of SSO, MFA, passwordless authentication, and more. Includes SDKs for frontend and backend apps. Free for up to 1,000 MAUs and five identity providers.
• Auth0 — Hosted Single Sign-On (SSO) service. Free for up to 7,000 active users and two social identity providers.
• Authgear — Passwordless authentication, OTPs, 2FA, and SSO. All front-end included. Free for up to 5,000 MAUs.
• Authress — Authentication login and access control with unlimited identity providers for any project. Free for the first 1,000 API calls.
• Authy — Two-factor authentication (2FA) with multiple device support and backups. Free for up to 100 successful authentications.
• Cerbos Hub — Comprehensive authorization management system for creating, testing, and deploying access policies. Free for up to 100 monthly active principals.
• Clerk — User management and authentication with prebuilt UI components for sign-in, sign-up, and user profiles. Free for up to 10,000 MAUs.
• Cloud-IAM — Keycloak Identity and Access Management as a Service. Free for up to 100 users and one realm.
• Corbado — Add passkey-first authentication to apps. Free for unlimited MAUs.
• Descope — Highly customizable authentication flows with no-code and API/SDK options. Free for up to 7,500 active users/month and 50 tenants.
• Duo — Two-factor authentication (2FA) for websites and apps. Free for up to 10 users with all authentication methods and unlimited integrations.
• Kinde — Robust authentication for apps, including SSO and MFA. Free for up to 7,500 MAUs.
• Okta — User management, authentication, and authorization. Free for up to 100 MAUs.
• SuperTokens — Open-source user authentication for apps. Free for up to 5,000 MAUs.
• WorkOS — User management and authentication with support for email, social auth, MFA, and more. Free for up to 1 million MAUs.

Feature Toggles Management Platforms link

• ConfigCat — Developer-centric feature flag service with unlimited team size, excellent support, and reasonable pricing. Free plan includes up to 10 flags, two environments, 1 product, and 5 Million requests per month.
• Flagsmith — Manage feature flags across web, mobile, and server-side applications. Hosted API, private cloud, or on-premise options available.
• GrowthBook — Open-source feature flag and A/B testing with built-in Bayesian statistical analysis engine. Free for up to 3 users, with unlimited feature flags and experiments.
• Hypertune — Type-safe feature flags, A/B testing, analytics, and app configuration with Git-style version control. Free for up to 5 team members with unlimited flags and tests.
• Molasses — Feature flags and A/B testing with a free plan covering up to 3 environments and five feature flags each.
• Toggled.dev — Enterprise-ready, scalable feature toggles platform with unlimited requests. Free plan includes up to 10 flags, two environments, SDK, analytics, release calendar, and Slack notifications.
• Statsig — Platform for feature management, A/B testing, and analytics. Generous free plan offers unlimited seats, flags, experiments, and dynamic configurations for up to 1 million events per month.
• Abby — Open-source feature flags & A/B testing with configuration as code and fully typed TypeScript SDKs. Free tier with strong framework integrations and affordable scaling options.

APIs, Data, and ML link

• JSONGrid — Free tool to visualize, edit, and filter complex JSON data into a tabular grid. Save and share JSON data over a link.
• Zerosheets — Turn Google Sheets spreadsheets into powerful APIs for rapid development. Free plan includes 500 requests per month.
• IP.City — Provides 100 free IP geolocation requests per day.
• Abstract API — API suite for IP geolocation, gender detection, email validation, and more.
• Apify — Web scraping and automation platform with ready-made scrapers and custom solutions. Free plan includes $5 platform credits per month.
• APITemplate.io — Auto-generate images and PDFs via API or automation tools. Free plan includes 50 images/month and three templates.
• APIToolkit.io — API analytics with contract validation and monitoring. Free plan supports up to 20,000 requests/month.
• APIVerve — Access over 120 APIs with the free plan, allowing up to 50 API tokens per month.
• Arize AI — Machine learning observability platform for monitoring and diagnosing model issues. Free for up to two models.
• Atlas Toolkit — Library for developing single-page web applications, available for multiple programming languages.
• Beeceptor — Mock REST APIs in seconds. Free tier includes 50 requests per day.
• bigml.com — Hosted machine learning platform with unlimited free tasks for development, limited to 16 MB data per task.
• Browse AI — Extract and monitor web data. Free plan includes 50 credits per month.
• BrowserCat — Headless browser API for automation, scraping, and more. Free plan includes 1,000 requests per month.
• Bruzu — Automate image production via API or integrations. Free plan includes watermark.
• Calendarific — Public holiday API for 200+ countries. Free plan includes 1,000 calls per month.
• Canopy — GraphQL API for Amazon product data. Free plan includes 100 calls per month.
• Clarifai — Image API for face recognition and AI model training. Free plan includes 5,000 calls per month.
• Cloudmersive — Utility API platform with document conversion, virus scanning, and more. Free plan includes 800 calls per month.
• Colaboratory — Free Python notebook environment with Nvidia Tesla K80 GPU.
• Collect2 — Create API endpoints for testing and automation. Free plan includes 2000 records and one forwarder.
• CometML — MLOps platform for experiment tracking and model production management. Free for individuals and academics.
• Commerce Layer — Composable commerce API. Developer plan includes 100 orders/month and 1,000 SKUs for free.
• Conversion Tools — Online file converter for documents, images, video, and more. Free tier has size and daily limits.
• Country-State-City Microservice API — Provides data on countries, regions, cities, postal codes, and more. Free tier includes 100 requests/day.
• Coupler — Data integration tool for syncing data between apps. Free plan includes 100 runs/month.
• CraftMyPDF — Auto-generate PDF documents with reusable templates. Free plan includes 100 PDFs/month.
• CurlHub — Proxy service for inspecting and debugging API calls. Free plan includes 10,000 requests/month.
• CurrencyScoop — Realtime currency data API. Free plan includes 5,000 requests/month.
• Cube — Helps organize and access data from modern data stores. Free tier allows 1GB data throughput/month.
• Data Dead Drop — Simple file sharing with auto-deletion after access. Free browser-based service.
• Data Fetcher — Connect Airtable to apps or APIs. Free plan includes 100 runs/month.
• Dataimporter.io — Tool for importing data into Salesforce. Free plan includes up to 20,000 records/month.
• Datalore — Python notebooks by JetBrains. Free plan includes 10GB storage and 120 hours runtime/month.
• Data Miner — Browser extension for extracting data from web pages. Free plan allows 500 pages/month.
• Datapane — API for building interactive Python reports. Deploy Python scripts and Jupyter Notebooks as tools.
• DB-IP — Free IP geolocation API with 1k requests per day.
• DB Designer — Cloud-based database schema design tool. Free plan includes 2 database models and 10 tables per model.
• DeepAR — Augmented reality SDK for face filters. Free plan allows 10 monthly active users.
• Deepnote — Collaborative data platform for Python notebooks and apps. Free tier includes unlimited personal projects.
• Diggernaut — Web scraping and data extraction platform. Free plan includes 5K page requests monthly.
• Disease.sh — Free API providing accurate data on Covid-19 for app development.
• Doczilla — Generate screenshots or PDFs from HTML/CSS/JS code. Free plan includes 250 documents/month.
• Doppio — Managed API to generate PDFs and screenshots. Free plan includes 400 documents/month.
• DreamFactory — Open-source REST API backend for mobile, web, and IoT applications. Instantly creates REST APIs for databases.
• DynamicDocs — Generate PDF documents with JSON-based API. Free plan includes 50 API calls/month.
• Efemarai — Debug and test machine learning models and data. Free 30 debugging sessions per month.
• ExtendsClass — Free web-based HTTP client to send HTTP requests.
• Export SDK — Generate PDFs using a visual template editor. Free plan includes 250 pages/month.
• Fern — Generate SDKs and API documentation from OpenAPI specs. Free tier for basic usage.
• file.coffee — Store files up to 15MB for free. 30MB with an account.
• FraudLabs Pro — Screen transactions for payment fraud. Free Micro plan includes 500 transactions/month.
• Geekflare API — API suite for screenshots, website audits, DNS lookups, and more. Free plan includes 3,000 requests.
• GeoCod — Free geocoding API for address-to-coordinates or reverse geocoding.
• GeoDataSource — Location search service for city names using coordinates. Free API allows 500 queries/month.
• Geolocated.io — IP Geolocation API with 60,000 free monthly requests.
• Glitterly — Generate dynamic images from templates. Free tier includes 50 images/month.
• GoodData — Create interactive dashboards with analytics tools. Free plan includes 5 workspaces and 100MB/workspace.
• Hex — Collaborative data platform for notebooks and data apps. Free for teams of up to 3 authors.
• Hook0 — Webhooks as a service platform. Free tier includes 3,000 events/month with 7-day history retention.
• Hoppscotch — A free, fast, and beautiful API request builder.
• Hybiscus — Build PDF reports using a declarative API. Free tier includes 100 single-page reports/month.
• Invantive Cloud — Access over 70 platforms like Exact Online or ActiveCampaign using Invantive SQL or OData4. Free plan available.
• ipaddress.sh — Get public IP addresses in multiple formats. Simple and free.
• ipbase.com — IP Geolocation API with 150 free monthly requests.
• IP Geolocation — IP Geolocation API offering 30k requests/month for free.
• IP Geolocation API — Abstract’s IP Geolocation API with 20,000 free requests/month.
• IP2Location — Freemium geolocation service with LITE database for free download.
• IP2Location.io — Geolocation API with 30k free monthly credits.
• ipapi — IP Address Location API with 30k free monthly lookups.
• ipapi.is — Reliable IP Address API with 1,000 free lookups/month.
• IPinfo — Fast, accurate IP address data API with 50k free monthly requests.
• BigDataCloud — Provides modern web APIs including IP Geolocation, Email Validation, and more with free tiers.
• IPTrace — Simple API for reliable IP geolocation data.
• JSON2Video — Automate video generation with JSON. Free tier available.
• JSON IP — Returns the public IP address of the client. Unlimited requests.
• JSON Serve — Free service to store JSON objects and use them as a REST API.
• JSONing — Create a fake REST API from a JSON object with customizable responses.
• konghq.com — API management and marketplace platform. Free tier with limited features.
• Kreya — Free gRPC GUI client to call and test gRPC APIs.
• Lightly — Improve ML models with curated data. Free for up to 1,000 samples.
• LoginLlama — Login security API for detecting fraudulent activity. Free for 1,000 logins/month.
• MailboxValidator — Email verification service with real server connections. Free plan includes 300 verifications per month.
• Market Data API — Real-time and historical financial data API. Free tier allows 100 daily requests.
• Meteosource Weather API — Global weather API with machine-learning-enhanced forecasts. Free plan includes 400 calls per day.
• microlink.io — Transforms websites into data such as previews, scraping, and screenshots. Free for 100 requests per day.
• Mindee — API for document data recognition and processing. Free plan includes 250 pages per month.
• Mintlify — Modern API documentation with interactive components and search. Free for 1 editor.
• monkeylearn.com — Text analysis API using machine learning. Free for 300 queries per month.
• MockAPI — Quickly mock APIs and generate custom data. Free for one project and 4 resources per project.
• Mockfly — Mock APIs and manage feature flags with an intuitive interface. Free tier offers 500 requests per day.
• Mocki — Create mock REST and GraphQL APIs synced with a GitHub repository. Free for simple REST APIs.
• Mocko.dev — Proxy APIs and mock endpoints in the cloud. Free plan includes 1,000 requests per month.
• Mocky — Generate custom HTTP responses for mocking. Open-source version available.
• reqres.in — Hosted REST API ready to respond to AJAX requests. Free to use.
• microenv.com — Create fake REST APIs for testing and development. Free account offers unlimited endpoints.
• Multi-Exit IP Address Checker — Check exit IP addresses across multiple nodes. Free tool for testing DNS rules.
• neptune.ai — MLOps platform for metadata logging and model management. Free for individuals.
• News API — API for searching news articles. Free plan includes 3,000 queries per month.
• Nordigen — Free open banking API for connecting to 2,300+ banks in the EU and UK.
• Nyckel — Train and deploy image and text models. Free for up to 5,000 training data pieces.
• Observable — Collaborative platform for creating, sharing, and learning with data. Free for unlimited notebooks and five editors per notebook.
• OCR.Space — OCR API for parsing image and PDF files. Free plan allows 25,000 requests per month.
• Duply.co — Generate dynamic images via API or URL from templates. Free plan offers up to 70 images/month.
• OpenAPI3 Designer — Visually design OpenAPI 3 definitions for free.
• parsehub.com — Web data extraction platform. Free for up to 5 projects.
• pdfEndpoint.com — Convert HTML or URLs to PDFs with a simple API. Free for 100 conversions per month.
• PDF-API.io — Generate PDFs dynamically using a visual editor or HTML. Free plan includes 1 template and 100 PDFs/month.
• Pixela — Daystream database service with API-based operations and visualizations. Free to use.
• Postbacks — HTTP callback service for scheduling and debugging requests. Free for up to 8,000 requests.
• Postman — Collaboration platform for API development. Free forever for app and cloud features with some limits.
• Insomnia — Open-source API client for designing and testing APIs. Supports REST and GraphQL.
• PrefectCloud — Dataflow automation platform with 20,000 free runs per month.
• Preset Cloud — Hosted Apache Superset service. Free for up to 5 users with unlimited dashboards and charts.
• PromptLeo — Platform for creating and managing AI prompt engineering. Free plan includes one prompt formation and 30 generations per month.
• PromptLoop — Use AI in spreadsheets to analyze and transform text. Free for the first 2,000 credits per month.
• Crawlbase — Scrape websites without proxies or infrastructure. Free for the first 1,000 API calls.
• Supportivekoala — Auto-generate images via templates. Free plan allows up to 100 images per week.
• QuickMocker — Create online fake API endpoints with features like RegExp URL paths and proxy requests. Free plan includes 10 endpoints and 100 requests per day.
• Rapidapi — API marketplace with development challenges and interactive examples. Free access to many APIs.
• RequestBin.com — Create a free endpoint for observing HTTP requests. Useful for debugging webhooks.
• Roboflow — Create and deploy custom computer vision models. Free tier includes up to 1,000 source images.
• ROBOHASH — Web service to generate unique and creative images from any text input.
• SaturnCloud — Data science cloud platform with Jupyter notebooks and Dask clusters. Free tier includes 30 compute hours and 3 Dask hours monthly.
• Scraper’s Proxy — HTTP proxy API for anonymous scraping with 100 free requests monthly.
• ScrapingAnt — Headless Chrome scraping API with proxies and CAPTCHA solving. Free plan available.
• ScraperBox — Web scraping API with rotating proxies. Free plan includes 1,000 requests per month.
• ScrapingDog — Web scraping API that handles CAPTCHAs and provides HTML with one API call. Free plan available.
• scrapinghub.com — Data extraction platform with visual tools. Free plan offers unlimited scraping on shared servers.
• Simplescraper — Web scraping tool with webhook support. Free plan includes 100 cloud scrape credits.
• Select Star — Intelligent data discovery platform. Free tier includes one data source, up to 100 tables, and 10 users.
• Sheetson — Turn Google Sheets into a RESTful API. Free plan available.
• Shipyard — Data orchestration platform with low-code templates. Free plan includes 10 hours of runtime per month for one user.
• shrtcode API — URL shortening API with no authorization or request limits.
• SerpApi — Search engine scraping API with structured JSON results. Free plan offers 100 API calls monthly.
• SmartParse — Data migration and CSV-to-API platform. Free tier includes 300 processing units per month.
• Sofodata — Create RESTful APIs from CSV files. Free plan includes 2 APIs and 2,500 API calls monthly.
• Sqlable — Online SQL tools including formatter, validator, and fake data generator.
• Stoplight — Design and document APIs collaboratively. Free plan includes basic design, mocking, and documentation tools.
• Svix — Webhooks as a Service. Free plan allows up to 50,000 messages per month.
• TemplateTo — Generate PDFs or TXT documents using templates. Free plan offers 450 PDFs/month and three templates.
• TinyMCE — Rich text editing API with unlimited usage for core features.
• Treblle — API log aggregation, observability, and debugging platform. Free plan supports up to 250k requests per month.
• Webhook Store — Tool for storing and debugging webhooks on localhost. Open source and self-hostable.
• Weights & Biases — MLOps platform for experiment tracking and model management. Free tier includes 100 GB of storage.
• wit.ai — Natural Language Processing platform for developers to build conversational apps.
• wolfram.com — Knowledge-based algorithms and computations available through the Wolfram Language.
• wrapapi.com — Convert any website into a parameterized API. Free tier offers 30k API calls per month.
• ZenRows — Web scraping API with bypass capabilities for anti-bot solutions. Free plan includes 1,000 API calls.
• Zenscrape — Web scraping API with headless browsers and proxies. Free plan includes 1,000 API calls per month.
• ip-api — IP Geolocation API with free tier for non-commercial use. Limited to 45 requests per minute.
• WebScraping.AI — Web scraping API with built-in parsing and Chrome rendering. Free plan includes 2,000 API calls per month.
• Zipcodebase — Free zip code API providing access to worldwide postal code data. Free tier offers 10,000 requests/month.
• huggingface.co — NLP model training and deployment platform. Free tier includes up to 30k input characters per month.
• vatcheckapi.com — Simple and free VAT number validation API with 500 free requests per month.
• numlookupapi.com — Phone number validation API. Free tier includes 100k requests per month.
• Volca — Free API providing lists of technologies like programming languages and database systems.
• Query.me — Collaborative data notebooks supporting APIs, SQL, Slack, and email integrations. Free for small teams.
• ERD Lab — Free cloud-based ERD tool for database design.
• What The Diff — AI-powered code review assistant. Free tier allows for up to 25,000 tokens (~10 PRs) monthly.
• Zipcodestack — Free zip code and postal code validation API. Free tier includes 10,000 requests per month.
• Zuplo — Free API management platform. Add authentication, rate limiting, and API documentation with ease.
• OpenWeb Ninja — Comprehensive real-time SERP and public data APIs. Free tier includes up to 200 monthly requests.
• Tavily AI — AI-powered research and organization API. Free tier includes 1,000 requests per month.

Payment and Billing Integration link

• Qonversion — All-in-one subscription management platform with analytics, A/B testing, Apple Search Ads, and monetization tools. Free up to $10k in monthly tracked revenue.
• ParityVend — Automatically adjust pricing based on visitor location to expand globally. Free plan includes 7,500 API requests/month.
• Glassfy — In-app subscriptions infrastructure with real-time events and monetization tools. Free up to $10k monthly revenue.
• Adapty — Solution for in-app subscription integration for iOS, Android, and web apps. Free up to $10k monthly revenue.
• CoinMarketCap — Cryptocurrency market data including exchange rates. Free tier offers 10K call credits/month.
• CurrencyFreaks — Current and historical currency exchange rates. Free developer plan with 1,000 requests/month.
• CoinGecko — Cryptocurrency market data with exchange rates and historical data. Free demo API with 10,000 calls/month.
• CurrencyApi — Live currency rates for physical and cryptocurrencies. Free tier offers 1,250 API requests/month.
• CurrencyLayer — Reliable exchange rates and currency conversion. Free plan offers 100 API requests/month.
• ExchangeRate-API — Easy-to-use currency conversion JSON API. Free tier updates daily, limit of 1,500 requests/month.
• FraudLabsPRO — Helps merchants prevent payment fraud and chargebacks. Free Micro Plan with 500 queries/month.
• FxRatesAPI — Real-time and historical exchange rates. Free tier requires attribution.
• MailPopin — Enhance Stripe notifications with contextualized information.
• Moesif API Monetization — Generate revenue from APIs via usage-based billing. Free tier offers 30,000 events/month.
• Nami ML — Platform for in-app purchases and subscriptions with no-code paywalls. Free for base features.
• RevenueCat — Backend for in-app purchases and subscriptions for iOS and Android. Free up to $2.5k/mo tracked revenue.
• Vatlayer — Instant VAT validation and EU VAT rates API. Free for 100 API requests/month.
• Currencyapi — Currency conversion and exchange rate data API. Free for 300 requests/month, 10 requests/minute.

Screenshot APIs link

• ApiFlash — A screenshot API based on AWS Lambda and Chrome. Handles full page captures, timing, and viewport dimensions.
• Microlink — Turns any website into data, including metatags normalization, link previews, scraping capabilities, and screenshots as a service. Free for 250 requests/day.
• ScreenshotAPI.net — Generate screenshots of any website with a simple API call. Hosted on Google Cloud. Offers 100 free screenshots/month.
• ScreenshotLayer — Capture highly customizable snapshots of any website. Free tier includes 100 snapshots/month.
• ScreenshotMachine — Capture 100 snapshots/month in PNG, GIF, or JPG formats, including full-length captures.
• PhantomJsCloud — Browser automation and page rendering. Free tier offers up to 500 pages/day since 2017.
• WebShrinker — Provides website screenshots and domain intelligence API services. Free for 100 requests/month.
• Httpic — Turn any website into JPG, PNG, or PDF. Capture full-page screenshots, adjust viewport, and inject custom code. Free for 150 images/month.
• Screenshots — Your API for Screenshots with highly customizable options. Free for 100 screenshots/month.

Tunneling, WebRTC, Web Socket Servers and Other Routers link

• Pinggy — Public URLs for localhost with a single command, no downloads required. HTTPS / TCP / TLS tunnels. Free plan includes 60 minutes tunnel lifetime.
• Conveyor — Visual Studio extension to expose IIS Express to the local network or over a tunnel to a public URL.
• Hamachi — Hosted VPN service for LAN-like networks. Free for unlimited networks with up to 5 people.
• Mirna Sockets — Free Socket as a Service platform that provides a WebSocket URL and allows monitoring of performance.
• localhost.run — Expose locally running servers over a tunnel to a public URL.
• localtunnel — Expose locally running servers over a tunnel to a public URL. Free hosted version and open source.
• ngrok — Expose locally running servers over a tunnel to a public URL.
• Cname.dev — Free and secure dynamic reverse proxy service.
• Serveo — Expose local servers to the internet. No installation or signup required. Free subdomain, no limits.
• Radmin VPN — Connect multiple computers via a VPN-enabling LAN-like network. Unlimited peers. (Hamachi alternative)
• Segment — Hub to translate and route events to third-party services. Free for 100,000 events/month.
• Google STUN — Google’s public STUN server.
• Twilio STUN — Twilio’s public STUN server.
• Tailscale — Zero config VPN using the open-source WireGuard protocol. Free plan for personal use with up to 100 devices and 3 users.
• Webhook Relay — Manage, debug, fan-out, and proxy webhooks to public or internal destinations. Also exposes private servers over a tunnel.
• Hookdeck — Develop, test, and monitor webhooks. Free for 100K requests and attempts per month with three days of retention.
• Xirsys — Unlimited STUN usage + 500 MB monthly TURN bandwidth, capped bandwidth, single geographic region.
• ZeroTier — FOSS managed virtual Ethernet as a service. Free for up to 25 clients.
• LocalXpose — Reverse proxy to expose localhost servers to the internet. Free plan includes 15 minutes tunnel lifetime.
• Traefik-Hub — Publish local services to a public URL with access control. Free for 5 services in one cluster.
• Expose — Expose local sites via secure tunnels. Free plan includes EU server, random subdomains, and single user.
• Btunnel — Expose localhost and local TCP server to the internet. Free plan includes 1-hour tunnel timeout and basic auth.

CI and CD link

• AccessLint — AccessLint brings automated web accessibility testing into your development workflow. It’s free for open source and education purposes.
• appcircle.io — An enterprise-grade mobile DevOps platform that automates the build, test, and publish store of mobile apps for faster, efficient release cycle.
• appveyor.com — CD service for Windows, free for Open Source.
• Argonaut — Deploy apps and infrastructure on your cloud in minutes. Support for custom and third-party app deployments on Kubernetes and Lambda environments.
• bitrise.io — A CI/CD for mobile apps, native or hybrid. With 200 free builds/month, 10 min build time, and two team members.
• buddy.works — A CI/CD with five free projects and one concurrent run (120 executions/month).
• Buildkite — CI Pipelines free for 3 users and 5k job minutes/month.
• bytebase.com — Database CI/CD and DevOps. Free under 20 users and ten database instances.
• CircleCI — Comprehensive free plan with all features included for GitHub, GitLab, and BitBucket repositories.
• cirrus-ci.org — Free for public GitHub repositories.
• cirun.io — Free for public GitHub repositories.
• codefresh.io — Free-for-Life plan: 1 build, one environment, shared servers, unlimited public repos.
• codemagic.io — Free 500 build minutes/month.
• codeship.com — 100 private builds/month, five private projects, unlimited for Open Source.
• deploybot.com — 1 repository with ten deployments, free for Open Source.
• deployhq.com — 1 project with ten daily deployments (30 build minutes/month).
• drone — Drone Cloud enables developers to run Continuous Delivery pipelines across multiple architectures.
• LayerCI — CI for full stack projects. One full stack preview environment with 5GB memory & 3 CPUs.
• semaphoreci.com — Free for Open Source, 100 private builds per month.
• Squash Labs — Creates a VM for each branch and makes your app available from a unique URL.
• styleci.io — Public GitHub repositories only.
• Mergify — Workflow automation and merge queue for GitHub.
• Make — Workflow automation tool for connecting apps. Free for public GitHub repositories.
• Spacelift — Management platform for Infrastructure as Code. Free plan includes IaC collaboration.
• microtica.com — Startup environments with ready-made infrastructure components. Free tier includes one environment.
• Nx Cloud — Nx Cloud speeds up monorepos on CI with remote caching and task distribution.
• blacksmith — Managed performance runners for GitHub Actions. 3,000 free minutes per month.
• Terramate — Orchestration and management platform for Infrastructure as Code. Free for up to 2 users.

Monitoring link

• Pingmeter — 5 uptime monitors with 10-minute interval. Monitor SSH, HTTP, HTTPS, and any custom TCP ports.
• Alerty.ai — Free APM and monitoring for your FE, BE, DB, and more + free agent runs.
• AppDynamics — Free for 24-hour metrics, application performance management agents limited to one Java, one .NET, one PHP, and one Node.js.
• AppNeta — Free with 1-hour data retention.
• AppSpector — Mission control for remote iOS/Android/Flutter debugging. Free for small traffic usage (64MB of logs).
• Assertible — Automated API testing and monitoring. Free plans for teams and individuals.
• Bleemeo — Free for 3 servers, 5 uptime monitors, unlimited users, unlimited dashboards, unlimited alerting rules.
• ChecklyHQ — Open source E2E / Synthetic monitoring and deep API monitoring for developers. Free plan with five users and 50k+ check runs.
• Circonus — Free for 20 metrics.
• CloudSploit — AWS security and configuration monitoring. Free: unlimited on-demand scans, unlimited users, unlimited stored accounts. Subscription: automated scanning, API access, etc.
• Cronitor — Performance insights and uptime monitoring for cron jobs, websites, APIs and more. A free tier with five monitors.
• Datadog — Free for up to 5 nodes.
• Dead Man’s Snitch — Monitoring for cron jobs. One free snitch (monitor), more if you refer others to sign up.
• Downtime Monkey — 60 uptime monitors, 5-minute interval. Email, Slack alerts.
• Economize Cloud — Organizes cloud resources to optimize costs. Free for up to $5,000 spent on Google Cloud Platform every month.
• Elastic APM — Instant performance insights for JS developers. Free with 24-hour data retention.
• Grafana Cloud — Observability platform with metrics and logs. Free: 3 users, 10 dashboards, 100 alerts, metrics and logs storage.
• Healthchecks.io — Monitor your cron jobs and background tasks. Free for up to 20 checks.
• Hydrozen — Uptime monitoring & Status pages. Free: 10 uptime monitors, 5 heartbeat monitors, 1 domain monitor, and 1 status page.
• Inspector.dev — Real-Time monitoring dashboard. Free forever tier.
• Instrumental — Application and server monitoring with up to 500 metrics and 3 hours of data visibility for free.
• Keychest Speed Test — Independent speed test and TLS handshake latency test against Digital Ocean.
• LetsMonitor — SSL monitoring, free for up to 5 monitors.
• LinkOK — Online broken link checker, free for small websites up to 100 pages.
• Loader.io — Free load testing tools with limitations.
• Netdata Cloud — Open-source tool to collect real-time metrics.
• New Relic — Observability platform for software monitoring. Free tier with 100GB/month of data ingest.
• Middleware.io — Observability platform with Log monitoring for up to 1M log events, Infrastructure monitoring & APM.
• Nixstats — Free for one server. E-Mail Notifications, public status page, 60-second interval, and more.
• OnlineOrNot — Uptime monitoring for websites and APIs, monitoring for cron jobs and scheduled tasks. First five checks are free.
• OntarioNet CN Test — Check if a website is blocked in China by the Great Firewall.
• OpsGenie — Alerting and on-call management for operating always-on services. Free up to 5 users.
• Paessler PRTG — Infrastructure and network monitoring solution with up to 100 sensors free.
• Pagecrawl.io — Monitor website changes, free for up to 6 monitors with daily checks.
• Syagent — Noncommercial free server monitoring service, alerts and metrics.
• Pagerly — Manage on-calls on Slack (integrates with Pagerduty, OpsGenie). Free for one team.
• Pagertree — Interface for alerting and on-call management. Free up to 5 users.
• Pingbreak — Modern uptime monitoring service. Check unlimited URLs with notifications.
• Pingpong — Advanced status page platform with monitoring. Free public customizable status page.
• Robusta — Kubernetes monitoring based on Prometheus with integrations. Free up to 20 nodes.
• Sematext — Free for 24-hour metrics, unlimited servers, custom metrics, unlimited dashboards, and users.
• Sitemonki — Website, domain, Cron & SSL monitoring. 5 monitors in each category for free.
• SiteSure — Website and cron monitoring - 2 monitors free.
• Skylight.io — Free for first 100,000 requests (Rails only).
• Speedchecker — Performance Monitoring API, checks Ping, DNS, etc.
• StatHat — Get started with ten stats for free, no expiration.
• StatusCake — Website monitoring, unlimited tests free with limitations.
• StatusGator — Status page monitoring, 3 monitors free.
• SweetUptime — Server monitoring, uptime monitoring, DNS & domain monitoring. Monitor 10 server, 10 uptime, and 10 domain for free.
• ThousandEyes — Network and user experience monitoring. 3 locations and 20 data feeds of major web services free.
• UptimeRobot — Website monitoring, 50 monitors free.
• UptimeToolbox — Free monitoring for five websites, 60-second intervals, public status page.
• Zenduty — End-to-end incident management and on-call platform for DevOps teams. Free up to 5 users.
• Instatus — Get a beautiful status page in 10 seconds. Free forever with unlimited subs and unlimited teams.
• Squadcast — Incident management software with a free forever plan for up to 10 users.
• RoboMiri — Uptime monitoring: 25 uptime checks with 3-minute interval checks for free. Alerts via Phone Call, SMS, Email, and Webhooks.
• Better Stack — Uptime monitoring, incident management, on-call scheduling/alerting, and status pages. Free plan includes 10 monitors with 3-minute check frequency and status pages.
• Pulsetic — 10 monitors, 6 Months of historical Uptime/Logs, unlimited status pages, and custom domains included for free.
• Wachete — Monitor five pages, checks every 24 hours.
• Xitoring — Uptime monitoring: 20 free, Linux and Windows Server monitoring: 5 free, Status page: 1 free.

Log Management link

• Bugfender — Free up to 100k log lines/day with 24 hours retention.
• Logentries — Free up to 5 GB/month with seven days retention.
• Loggly — Free for a single user, 200MB/day with seven days retention.
• Logz.io — Free up to 1 GB/day, one day retention.
• ManageEngine Log360 Cloud — Log Management service powered by Manage Engine. Free Plan offers 50 GB storage with 15 days Storage Retention and 7 days search.
• Papertrail — 48 hours search, seven days archive, 50 MB/month.
• Sematext — Free up to 500 MB/day, seven days retention.
• Sumo Logic — Free up to 500 MB/day, seven days retention.
• Logflare — Free for up to 12,960,000 entries per app per month, 3 days retention.
• Logtail — ClickHouse-based SQL-compatible log management. Free up to 1 GB per month, three days retention.
• Logzab — Audit trail management system. Free 1,000 user activity logs per month, 1-month retention, for up to 5 projects.

Crash and Exception Handling link

• CatchJS — JavaScript error tracking with screenshots and click trails. Free for open-source projects.
• Bugsnag — Free for up to 2,000 errors/month after the initial trial.
• Elmah.io — Error logging and uptime monitoring for web developers. Free Small Business subscription for open-source projects.
• Embrace — Mobile app monitoring. Free for small teams with up to 1 million user sessions per year.
• Exceptionless — Real-time error, feature, log reporting, and more. Free for 3k events per month/1 user. Open source and easy to self-host for unlimited use.
• GlitchTip — Simple, open-source error tracking. Compatible with open-source Sentry SDKs. 1000 events per month for free, or can self-host with no limits.
• Honeybadger — Exception, uptime, and cron monitoring. Free for small teams and open-source projects (12,000 errors/month).
• Memfault — Cloud device observability and debugging platform. 100 devices free for Nordic, NXP, and Laird devices.
• Rollbar — Exception and error monitoring, free plan with 5,000 errors/month, unlimited users, 30 days retention.
• Sentry — Sentry tracks app exceptions in real-time and has a small free plan. Free for 5k errors per month/ 1 user, unrestricted use if self-hosted.
• Axiom — Store up to 0.5 TB of logs with 30-day retention. Integrations with platforms like Vercel and advanced data querying with email/Discord notifiers.
• Semaphr — Free all-in-one kill switch for your mobile apps.
• Jam — Developer-friendly bug reports in one click. Free plan with unlimited jams.
• Whitespace — One-click bug reports straight in your browser. Free plan with unlimited recordings for personal use.

Visitor Session Recording link

• Reactflow — Per site: 1,000 page views/day, three heatmaps, three widgets, free bug tracking.
• OpenReplay — Open-source session replay with dev tools for bug reproduction, live session for support, and product analytics suite. Free for 1,000 sessions/month with 7-day retention.
• LogRocket — 1,000 sessions/month with 30-day retention, error tracking, live mode.
• FullStory — 1,000 sessions/month with one month of data retention and three user seats.
• Hotjar — Per site: 1,050 page views/month, unlimited heatmaps, data stored for three months.
• Inspectlet — 2,500 sessions/month free for one website.
• Microsoft Clarity — Session recording completely free with no traffic limits, no project limits, and no sampling.
• Mouseflow — 500 sessions/month free for one website.
• Mousestats — 100 sessions/month free for one website.
• Smartlook — Free packages for web and mobile apps (1,500 sessions/month), three heatmaps, one funnel, 1-month data history.
• Usersurge — 250K sessions per month for individuals.
• Howuku — Track user interaction, engagement, and events. Free for up to 5,000 visits/month.
• UXtweak — Record and watch how visitors use your website or app. Free unlimited time for small projects.

Analytics, Events and Statistics link

• Dwh.dev — Data Cloud Observability Solution (Snowflake). Free for personal use.
• Hightouch — Reverse ETL platform to sync customer data from data warehouses to CRM, marketing, and support tools. Free tier includes one destination to sync data.
• Avo — Simplified analytics workflow with a single source of truth, type-safe libraries, and data observability. Free for two workspace members.
• Branch — Mobile Analytics Platform with deep-linking. Free tier supports up to 10K mobile app users.
• Cauldron — Open-source analytics solution aggregating data from multiple collaboration platforms. Free tier includes unlimited reports.
• Census — Reverse ETL & Operational Analytics Platform. Free tier syncs 10 fields from data warehouses to 60+ SaaS tools.
• Clicky — Website analytics platform. Free plan includes 3,000 views for one website.
• Databox — Business Insights & Analytics platform combining data from various sources. Free plan includes 3 users and dashboards.
• Hitsteps — Website analytics tool. Free for up to 2,000 pageviews per month for one website.
• Amplitude — Analytics platform offering 1M monthly events for up to 2 apps in the free plan.
• GoatCounter — Open-source web analytics platform for non-commercial use. Free tier includes unlimited sites, 6 months of data retention, and 100K pageviews/month.
• Google Analytics — Comprehensive analytics platform by Google.
• MetricsWave — Privacy-friendly alternative to Google Analytics. Free plan supports 20K pageviews/month.
• Expensify — Expense reporting tool. Free personal reporting approval workflow.
• GetInsights — Privacy-focused, cookie-free analytics. Free for up to 3K events/month.
• Heap — Automatically captures user actions in iOS or web apps. Free for up to 10K monthly sessions.
• Hotjar — Website analytics and reports. Free plan supports 2K pageviews/day and 3 surveys/month.
• Keen — Custom analytics for data collection, analysis, and visualization. Free for up to 1K events/month.
• Yandex.Datalens — Data visualization and analysis service by Yandex. Free with no restrictions on users or requests.
• Yandex.Metrica — Unlimited free analytics service by Yandex.
• Mixpanel — 100K monthly tracked users, unlimited data history, and seats. Free tier with US or EU data residency.
• Moesif — API analytics for REST and GraphQL. Free up to 500K API calls per month.
• Optimizely — A/B Testing solution. Free starter plan for one website, 1 iOS, and 1 Android app.
• Microsoft Power BI — Business Insights & Analytics by Microsoft. Free plan offers limited use with 1M user licenses.
• Quantcast — Unlimited free analytics for web and mobile apps.
• Row Zero — Fast connected spreadsheet. Import, analyze, graph, and share millions of rows. Free for 3 workbooks.
• Sematext — Free for up to 50K actions/month, 1-day data retention, unlimited dashboards and users.
• SimilarWeb — Analytics for web and mobile apps. Free plan offers limited data for websites and apps.
• StatCounter — Website viewer analytics. Free plan tracks analytics for the 500 most recent visitors.
• Statsig — All-in-one platform for analytics, feature flagging, and A/B testing. Free for up to 1M events/month.
• Tableau Developer Program — Personal development sandbox license for Tableau Online. Latest pre-release version for testing new features.
• UsabilityHub — Test designs and mockups on real users. Free for one user with unlimited tests.
• Woopra — User analytics platform. Free for up to 500K actions, 90-day data retention, and 30+ integrations.
• Counter.dev — Simple, privacy-friendly web analytics. Free or donation-based pricing.
• PostHog — Full product analytics suite. Free for up to 1M tracked events per month.
• Uptrace — Distributed tracing tool for pinpointing failures and performance bottlenecks. Free plan available.
• Microsoft Clarity — Free tool for capturing how real people use your site.
• Beampipe — Privacy-focused web analytics. Free for up to 5 domains and 10K monthly pageviews.
• Aptabase — Open-source, privacy-friendly analytics for mobile and desktop apps. Free for up to 20K events/month.
• Trackingplan — Detects analytics and marketing data issues, automates tracking plans, and enhances collaboration.
• LogSpot — Unified web and product analytics platform with embeddable widgets. Free plan includes 10K events/month.
• Umami — Simple, fast, privacy-focused, open-source alternative to Google Analytics.
• TrackWith Dicloud — Privacy-focused alternative to Google Analytics with unlimited pageviews. Free for up to 3 domains.
• AppFit — Analytics and product management tool with cross-platform support. Free plan includes 10K events/month.
• Seline — Privacy-focused website and product analytics. Free for 3K events/month with access to full features.

Data Visualization on Maps link

• IP Geolocation — Free DEVELOPER plan available with 30K requests/month.
• Carto — Create maps and geospatial APIs from your and public data.
• Clockwork Micro — Map tools that work like clockwork. 50,000 free monthly queries (map tiles, db2vector, elevation).
• ArcGIS Developers — APIs and SDKs for maps, geospatial data storage, analysis, geocoding, routing, and more. Includes generous free tier with 2M base map tiles and 5GB free tile+data storage per month.
• Foursquare — Location discovery, venue search, and context-aware content from Places API and Pilgrim SDK.
• Geoapify — Vector and raster map tiles, geocoding, places, routing, isolines APIs. 3,000 free requests/day.
• Geocod.io — Geocoding via API or CSV Upload. 2,500 free queries/day.
• Geocodify — Geocoding and Geoparsing via API or CSV Upload. 10K free queries/month.
• GeoJS — Highly available REST/JSON/JSONP IP Geolocation lookup API.
• GIS Cloud — Visualize, analyze, and share geo data online.
• GraphHopper — Free developer package for routing, route optimization, distance matrix, geocoding, and map matching.
• HERE — APIs and SDKs for maps and location-aware apps. 250K transactions/month for free.
• LocationIQ — Geocoding, maps, and routing APIs. 5,000 requests/day for free.
• Mapbox — Maps, geospatial services, and SDKs for displaying map data.
• MapTiler — Vector maps, map services, and SDKs for map visualization. Free vector tiles with weekly updates and four map styles.
• Nominatim — OpenStreetMap’s free geocoding service with global address search and reverse geocoding.
• NextBillion.ai — Geocoding, navigation, route optimization, and maps SDKs. Free tier with specific quotas for each service.
• OpenCage Data — Geocoding API aggregating OpenStreetMap and other open geo sources. 2,500 free queries/day.
• OSMNames — Geocoding with search results ranked by the popularity of related Wikipedia pages.
• PositionStack — Free geocoding for global places and coordinates. 25,000 requests per month for personal use.
• Stadia Maps — Map tiles, routing, navigation, and other geospatial APIs. 2,500 free requests/day for non-commercial use.
• Stamen Maps — Free map tiles and tile hosting.
• IPStack — Locate and identify website visitors by IP address.
• Geokeo — Geocoding API with language correction and worldwide coverage. 2,500 free daily queries.

Translation Management link

• Crowdin — Unlimited projects, unlimited strings, and collaborators for Open Source.
• GitLocalize — Free and unlimited for both private and public repositories.
• Lecto — Machine Translation API with Free tier (30 free requests, 1000 translated characters per request). Integrated with the Loco Translate Wordpress plugin.
• Lingohub — Free up to 3 users, always free for Open Source.
• Localazy — Free for 1000 source language strings, unlimited languages, unlimited contributors, startup and open source deals.
• Localeum — Free up to 1000 strings, one user, unlimited languages, unlimited projects.
• Localizely — Free for Open Source.
• Loco — Free up to 2000 translations, Unlimited translators, 10 languages/project, 1000 translatable assets/project.
• OneSky — Limited free edition for up to 5 users, free for Open Source.
• POEditor — Free up to 1000 strings.
• SimpleLocalize — Free up to 100 translation keys, unlimited strings, unlimited languages, startup deals.
• Texterify — Free for a single user.
• Tolgee — Free SaaS offering with limited translations, forever-free self-hosted version.
• Transifex — Free for Open Source.
• Translation.io — Free for Open Source.
• Translized — Free up to 1000 strings, one user, unlimited languages, unlimited projects.
• WebTranslateIt — Free up to 500 strings.
• Weblate — Free for libre projects with up to 10,000 string sources for the free tier and Unlimited Self-hosted on-premises.
• Free PO editor — Free for everybody.

Mobile App Distribution and Feedback link

• TestApp.io — Your go-to platform for ensuring your mobile apps work as they should.
• Loadly — iOS & Android beta apps distribution service offers completely free services with unlimited downloads.
• Diawi — Deploy iOS & Android apps directly to devices.

Game Development link

• itch.io — Free/Paid assets like sprites, tile sets, and character packs.
• Gamefresco — Discover, collect, and share free game assets from game artists everywhere.
• GameDevMarket — Free/Paid assets like 2D, 3D, Audio, GUI.
• OpenGameArt — OpenSource game assets like music, sounds, sprites, and gifs.
• CraftPix — Free/Paid assets like 2D, 3D, Audio, GUI, backgrounds, icons, tile sets, game kits.
• Game Icons — Free styleable SVG/PNG icons provided under a CC-BY license.
• LoSpec — Online tools for creating pixel art and other restrictive digital art, with lots of tutorials and palette lists available.
• ArtStation — Marketplace for Free/Paid 2D, 3D assets, audios, icons, tile sets, and game kits. Also for showcasing art portfolios.
• Rive — Community assets as well as tools to create your own game assets using its free plan.
• Poly Pizza — Free low poly 3D assets.
• 3Dassets.one — Over 8,000 free/paid 3D models and PBR materials for making textures.
• Kenney — Free (CC0 1.0 Universal licensed) 2D, 3D, Audio, and UI game assets.
• Poliigon — Free and paid textures, models, HDRIs, and brushes, with plugins for Blender and more.
• Freesound — Free collaborative sound library with different CC licenses.

Design and UI link

• AllTheFreeStock — A curated list of free stock images, audio, and videos.
• Float UI — Free web development tool for quickly creating modern, responsive websites with sleek design, even for non-designers.
• Ant Design Landing Page — Provides a template built by Ant Motion’s motion components. Rich homepage template, downloadable code package, and editor for customization.
• Backlight — Collaborative platform for developers and designers to build, document, and maintain Design Systems. Free plan supports up to 3 editors on one system.
• BoxySVG — A free installable web app for drawing SVGs and exporting in various formats.
• Carousel Hero — Free online tool to create social media carousels.
• Circum Icons — Consistent open-source icons such as SVG for React, Vue, and Svelte.
• Cleverbrush — Free Graphics Design / Photo Collage App. Offers paid integration as a component.
• CloudConvert — Convert anything to anything. Supports over 200 formats, including videos and gifs.
• CodeMyUI — Handpicked collection of Web Design & UI Inspiration with Code Snippets.
• ColorKit — Create color palettes online or get inspiration from top palettes.
• Coolors — Color palette generator. Free.
• Branition — Hand-curated color pallets best fitted for brands.
• CSS Gradient — Free tool to quickly generate custom cross-browser CSS gradients in RGB and HEX format.
• EasyVectors — Free SVG vector art stock. Download the best vector graphics absolutely for free.
• Figma — Online, collaborative design tool for teams. Free tier includes unlimited files and viewers, max of 2 editors, and 3 projects.
• Flyon UI — The easiest components library for Tailwind CSS.
• Framer — Helps you iterate and animate interface ideas for apps, websites, or products with powerful layouts. Free plan: unlimited viewers, 2 editors, and 3 projects.
• FreeForCommercialUse — FFCU provides worry-free model/property release stock photos.
• Gradientos — Makes choosing a gradient fast and easy.
• Icon Horse — Get the highest resolution favicon for any website from our simple API.
• Iconoir — An open-source icons library with thousands of icons, supporting React, React Native, Flutter, Vue, Figma, and Framer.
• Icons8 — Icons, illustrations, photos, music, and design tools. Free Plan offers limited formats in lower resolution. Link to Icons8 when you use their assets.
• Landen — Generate, edit, and publish beautiful websites and landing pages for your startup without code. Free tier allows one customizable website published online.
• Quant UX — Quant UX is a prototyping and design tool. Completely free and open source.
• Lensdump — Free cloud image hosting.
• Lorem Picsum — Free tool for stylish placeholders. Add desired size to URL for random images.
• LottieFiles — Platform for Lottie animations, tools, and plugins for Android, iOS, and Web.
• MagicPattern — CSS & SVG background generators & tools for gradients, patterns, and blobs.
• MarvelApp — Design, prototyping, and collaboration tool. Free plan limited to one user and one project.
• MindMup — Unlimited mind maps stored in the cloud, accessible from any device.
• Mockplus iDoc — Design collaboration & handoff tool. Free plan includes three users and five projects.
• MockupMark — Create realistic t-shirt and clothing mockups. 40 free mockups available.
• Mossaik — Free SVG image generator with tools like waves, blobs, and patterns.
• MovingPencils — Fast, browser-based vector editor. Completely free.
• Octopus.do — Visual sitemap builder for real-time website structure creation and collaboration.
• Pencil — Open source design tool using Electron.
• Penpot — Web-based, open-source design and prototyping tool supporting SVG.
• Pexels — Free stock photos for commercial use. Includes a free API to search photos by keywords.
• Photopea — A free, advanced online design editor with Adobe Photoshop UI. Supports PSD, XCF & Sketch formats.
• Pixlr — Free online browser editor comparable to commercial tools.
• Plasmic — Web design tool and page builder that integrates into codebases. Build responsive pages or components, optionally extend with code.
• Pravatar — Generate random/placeholder fake avatars with direct hot-linkable URLs.
• Proto.io — Create fully interactive UI prototypes without coding. Free tier includes one user, one project, five prototypes, and 100MB storage.
• Resize App Icon — A simple service to resize and manage your app icons.
• Rive — Create and ship animations to any platform. Free for individuals. Includes editor and hosting for graphics.
• Storyset — Create free customized illustrations for your project.
• Smartmockups — Create product mockups. Includes 200 free mockups.
• Tabler Icons — Over 1500 free copy-and-paste SVG editable icons.
• UI Avatars — Generate avatars with initials from names. URLs can be directly hot-linked with configurable parameters.
• unDraw — Constantly updated collection of beautiful SVG images. Free for use without attribution.
• Unsplash — Free stock photos for commercial and noncommercial purposes under a do-whatever-you-want license.
• Vectr — Free design app available for Web and Desktop.
• WalkMe — Guidance and engagement platform. Free plan allows three walkthroughs of up to five steps each.
• Webflow — WYSIWYG website builder with animations and hosting. Free for two projects.
• Updrafts — WYSIWYG website builder for Tailwind CSS-based designs. Free for non-commercial use.
• Whimsical — Collaborative flowcharts, wireframes, sticky notes, and mind maps. Create up to 4 free boards.
• Zeplin — Designer and developer collaboration platform. Show designs, assets, and style guides. Free for one project.
• Pixelixe — Create and edit engaging, unique graphics and images online.
• Responsively App — A free dev tool for faster and more precise responsive web application development.
• SceneLab — Online mockup graphics editor with an ever-expanding collection of free design templates.
• xLayers — Preview and convert Sketch design files into Angular, React, Vue, LitElement, Stencil, Xamarin, and more. Free and open source.
• Grapedrop — Responsive, powerful, SEO-optimized web page builder based on GrapesJS Framework. Free for the first five pages.
• Mastershot — Completely free browser-based video editor. No watermark, up to 1080p export options.
• Unicorn Platform — Effortless landing page builder with hosting. One website for free.
• React Favicon — Generate Favicons for your website using React and JSX with any font and icon library.
• SVGmix — Massive repository of 300K+ free SVG icons, collections, and brand logos. Includes a simple browser-based vector editing tool.
• SVGRepo — Explore and find free SVG vectors and icons for your projects using various vector libraries.
• Haikei — Generate unique SVG shapes, backgrounds, and patterns for design tools and workflows.
• Canva — Free online design tool to create visual content.
• Superdesigner — A collection of free design tools to create unique backgrounds, patterns, shapes, and more.
• TeleportHQ — Low-code Front-end Design & Development Platform. Free for three projects, unlimited collaborators, and free code export.
• Vector Express — Convert your AI, CDR, DWG, DXF, EPS, HPGL, PDF, PLT, PS, and SVG vector files fast and easily.
• Vertopal — Free online platform for converting files to various formats, including developer formats like JPG to SVG, GIF to APNG, and JSON to XML.
• Okso — Minimalistic online drawing app. Allows creating fast sketches and visual notes. Exports to PNG, JPG, SVG, and WEBP.
• Wdrfree SVG — Black and White Free SVG Cut files.
• Lucide — Free customizable and consistent SVG icon toolkit.
• Logo.dev — Company logo API with 44M+ brands. First 10,000 API calls are free.
• MDBootstrap — Free Bootstrap, Angular, React, and Vue UI Kits for personal and commercial use, with over 700 components.
• TW Elements — Free Bootstrap components recreated with Tailwind CSS, offering better design and functionalities.
• DaisyUI — Free. Use Tailwind CSS but write fewer class names. Offers components like buttons.
• Scrollbar.app — Simple free web app for designing custom scrollbars for the web.
• CSS Glass — Free web app for creating glassmorphic designs using CSS.
• Hypercolor — Curated collection of Tailwind CSS color gradients and tools for creating your own.
• Iconify — Collection of over 100 icon packs with a unified interface. Export icons as SVGs or for popular frameworks.
• NextUI — Free, beautiful, fast, and modern React & Next.js UI library.
• Glyphs — Free, fully editable, open-source design system with icons.
• ShadcnUI — Beautifully designed components for apps. Accessible, customizable, and open source.
• HyperUI — Free open-source Tailwind CSS components.
• Calendar Icons Generator — Generate an entire year’s worth of unique icons in a single click, absolutely free.
• Image BG Blurer — Generate a blurred background frame for an image using that image source as the blur, ideal for Notion, Trello, Jira, etc.
• Webstudio — Open-source alternative to Webflow. Free plan includes unlimited websites on their domain and 5 websites with custom domains.
• Nappy — Beautiful photos of Black and Brown people, for free. For commercial and personal use.

Design Inspiration link

• Awwwards — Showcase of the best-designed websites as voted on by designers.
• Behance — Platform where designers showcase their work. Filterable with categories for UI/UX projects.
• Dribbble — Unique design inspiration, generally not from real applications.
• Landings — Find the best landing pages for your design inspiration based on your preferences.
• Lapa Ninja — Gallery featuring the best landing page examples, free books for designers, and free UI kits from around the web.
• LovelyLanding — Frequently updated landing page screenshots. Includes Desktop, Tablet, and Mobile versions.
• Mobbin — Library of 50,000+ fully searchable mobile app screenshots to save hours of UI & UX research.
• Uiland Design — Explore Mobile and Web UI Designs from leading companies in Africa and the world.
• Mobile Patterns — Inspirational library featuring the finest UI/UX patterns (iOS and Android) for designers, developers, and product makers.
• Page Flows — Videos of full flows across many mobile and web apps, including screenshots. Highly searchable and indexed.
• Screenlane — Get inspired and keep up with the latest web & mobile app UI design trends. Filterable by pattern and app.
• Scrnshts — Hand-picked collection of the finest app store design screenshots.
• UI Garage — Daily UI inspiration & patterns for designers and developers to find tools and resources for projects.
• Refero — Tagged and searchable collection of design references from great web applications.

Font link

• dafont — The fonts on this site are the property of their authors and may be freeware, shareware, demo versions, or public domain.
• Everything Fonts — Offers multiple tools, including @font-face, Units Converter, Font Hinter, and Font Submitter.
• Font Squirrel — Freeware fonts licensed for commercial work, hand-selected and presented in an easy-to-use format.
• Google Fonts — A wide selection of free fonts, easy to install via download or link to Google’s CDN.
• FontGet — A variety of fonts available for download, organized with tags for easy sorting.
• Fontshare — Free font service with a growing collection of professional-grade fonts, 100% free for personal and commercial use.
• Befonts — Offers several unique fonts for personal or commercial use.
• Font of Web — Allows identification of all fonts used on a website and how they are implemented.
• Bunny — Privacy-oriented alternative to Google Fonts.
• FontsKey — Provides free and commercial paid fonts for personal use, with quick filtering options.
• fonts.xz.style — Free and open-source service for delivering font families to websites using CSS.
• Fontsensei — Open-source Google fonts with user-added tags, including CJK (Chinese, Japanese, Korean) font tags.

Forms link

• Feathery — Developer-friendly form builder for creating complex applications, up to 250 submissions/month and 5 active forms on the free plan.
• Form-Data — No-code form backend with spam filter, email notifications, webhooks, and more. Free plan offers unlimited forms with 20 submissions/month.
• FabForm — Form backend with integrations for Google Sheets, Airtable, Slack, and more. Free plan allows 250 submissions per month.
• Form.taxi — Endpoint for HTML form submissions with spam blockers and GDPR-compliant processing. Basic usage is free.
• Formcarry — Form endpoint service allowing 100 monthly submissions on the free plan.
• formingo.co — Simple HTML form backend for static websites with 500 monthly submissions on the free plan.
• FormKeep — Unlimited forms with spam protection and email notifications; 50 submissions per month on the free plan.
• formlets — Online form service with unlimited single-page forms and 100 submissions per month for free.
• formspark — Email form service with unlimited forms and 250 submissions per month on the free plan.
• Formspree — Email submission for HTML forms, with a 50 submissions/month limit for free users.
• Formsubmit.co — Simple HTML form endpoint with no registration required, free to use indefinitely.
• Formlick — Typeform alternative with unlimited submissions on free plan; 1 form allowed.
• getform — Form backend with single-file upload, free plan includes 1 form and 50 submissions.
• HeroTofu — Forms backend with encryption and spam detection; free plan allows 100 submissions per month.
• HeyForm — Drag-and-drop form builder with unlimited forms and submissions for free users.
• Tally.so — Full-featured form service with unlimited forms and submissions, form logic, payment integration, and file uploads.
• Hyperforms — Form backend with 50 free submissions per month and no need for backend code.
• Kwes — Form endpoint service suitable for static sites, allowing 50 submissions per month for free.
• Pageclip — One form with up to 1,000 submissions per month on the free plan.
• Qualtrics Survey — Professional survey tool with templates, free for 100 responses per survey.
• Screeb — In-app surveys with unlimited responses and events for up to 500 users on the free plan.
• smartforms — Form backend with 50 submissions per month, file storage, and integrations with Zapier and Slack on the free plan.
• Survicate — Survey and feedback tool with free email and in-app surveys, 25 monthly responses.
• staticforms — HTML form endpoint service with email notifications.
• stepFORM — Quiz and form builder with up to 3 steps per form and 50 responses per month on the free plan.
• Typeform — Beautiful online forms with up to 100 responses per month on the free plan.
• WaiverStevie — Electronic signature platform with webhook notifications; free plan with watermarked documents.
• Web3Forms — Form service for JAMStack websites with unlimited forms and domains, and 250 submissions per month.
• WebAsk — Survey and form builder with 3 surveys and 100 monthly responses on the free plan.
• Wufoo — Easy form builder with 100 monthly submissions on the free plan.
• formpost — Free form-to-email service with custom redirect, auto-response, and webhooks.
• Formester — Form builder with unlimited forms and 100 submissions per month on the free plan.
• SimplePDF — Embed a PDF editor on your website; unlimited PDFs with 3 submissions per PDF on the free plan.
• forms.app — Powerful online form creator with conditional logic and scoring, free for up to 100 responses.
• Qualli — In-app survey tool with AI-assisted question suggestions, free for 500 monthly active users.
• Sprig — GPT-powered survey analysis with one free in-product survey or replay per month.
• feedback.fish — Feedback collection tool with 25 submissions allowed on the free plan, integrates with React and Vue.

Privacy Management link

• Bearer — Helps implement privacy by design via audits and workflows for GDPR and regulation compliance. Free tier for smaller teams and SaaS version only.
• Osano — Consent management and compliance platform, including GDPR representation and cookie banners. Free tier offers basic features.
• Iubenda — Privacy and cookie policies and consent management. Free tier provides limited policies and banners.
• CookieFirst — Cookie banners, auditing, and consent management. Free tier includes a one-time scan and a single banner.
• Ketch — Consent management and privacy framework tool. Free tier includes most features with a limited visitor count.
• Concord — Full data privacy platform including consent management, DSARs handling, and data mapping. Free tier provides core consent management features. Advanced plan available for verified open source projects.

Security and PKI link

• Aikido — All-in-one application security platform including SCA, SAST, DAST, IaC scanning, and more. Free plan includes scanning for up to 10 repositories, 1 cloud, 2 containers, and 1 domain.
• AlienVault Open Threat Exchange — Helps uncover compromised systems in your network.
• Altcha Anti-Spam — Spam filter for websites and APIs using NLP and machine learning. Free plan includes 200 requests per day per domain.
• Atomist — Automates various development tasks to save time and increase efficiency. Currently in beta.
• Bridgecrew — IaC security platform powered by the open-source tool Checkov. Free for up to 50 infrastructure resources.
• CloudSploit — AWS security and compliance auditing and monitoring service.
• CyberChef — Web app for analyzing and encoding/decoding data with various cryptography tools. Fully free and open-source.
• Dependabot — Automated dependency updates for a wide range of languages and frameworks. Free for public repositories.
• Doppler — Universal secrets manager for application secrets and configurations. Free for up to 5 users with basic access controls.
• Let’s Encrypt — Free SSL certificate authority trusted by all major browsers.
• Mozilla Observatory — Tool to find and fix security vulnerabilities on your website.
• Sucuri SiteCheck — Free website security check and malware scanner.
• Tinfoil Security — Automated vulnerability scanning. Free plan includes weekly XSS scans.
• StackHawk — Application scanning tool to find and fix security bugs before production. Free for a single app with unlimited scans.
• SSLLabs — Comprehensive analysis of SSL web server configurations.
• Snyk — Tool for finding and fixing security vulnerabilities in open-source dependencies. Unlimited tests for open-source projects, with a limit of 200 tests/month for private projects.
• GitGuardian — Automated secrets detection and remediation tool for source code. Free for individuals and teams of up to 25 developers.
• Internet.nl — Tool to test compliance with modern Internet standards like IPv6, DNSSEC, HTTPS, and more.
• Escape GraphQL Quickscan — One-click security scan for GraphQL endpoints. No login required and completely free.
• HasMySecretLeaked — Search for exposed secrets in public GitHub repositories, gists, issues, and comments for free.
• Qualys Community Edition — Find vulnerabilities in web apps and audit for OWASP risks. Free community edition available.
• Protectumus — Free website security check, site antivirus, and server firewall (WAF) for PHP-based sites. Includes email notifications for registered users in the free tier.
• TestTLS.com — Free tool for testing SSL/TLS server configuration, certificates, and chains. Supports HTTPS and other protocols.
• Dotenv — Securely sync your .env files across teams. Free for up to 3 teammates.
• Pixee AI — Automated security engineering GitHub bot that resolves vulnerabilities in Java codebases with PRs. Free for now, with more languages coming soon.
• Vulert — Monitors your open-source dependencies for vulnerabilities and recommends fixes without requiring codebase access. Free for open-source projects.
• Public Cloud Threat Intelligence — High-confidence indicators of compromise targeting public cloud infrastructure. Partial data available on GitHub, full data via API.
• RingCaptcha — Tools for using phone numbers as identification. Free plan available.
• OpenAPI Security — Free tool for checking the security of OpenAPI/Swagger-based APIs. No signup required.

DNS link

• 1.1.1.1 — Free public DNS Resolver by Cloudflare. Encrypts DNS queries, prevents spying, blocks adult & malware content, and can be used via API. Note: Just a DNS resolver, not a DNS hoster.
• 1984.is — Free DNS service with API and many other DNS features included.
• CloudNS — Free DNS hosting for up to 1 domain with 50 records.
• deSEC — Free DNS hosting with API support, focused on security. Open-source software supported by SSE.
• dns.he.net — Free DNS hosting service with Dynamic DNS support.
• Zonomi — Free DNS hosting service with instant DNS propagation. Free plan includes 1 DNS zone with up to 10 records.
• DNSPod — Free DNS hosting.
• DuckDNS — Free DDNS with up to 5 domains. Includes configuration guides for various setups.
• Dynv6 — Free DDNS service with API support and management of various DNS record types.
• FreeDNS by Afraid.org — Free DNS hosting and subdomains from user-contributed domains.
• LuaDNS — Free DNS hosting for three domains with reasonable limits.
• Namecheap — Free DNS hosting with no limit on the number of domains.
• NextDNS — DNS-based firewall, free for 300K queries monthly.
• NoIP.at — Free DDNS service without registration or tracking, with no domain limit.
• NoIP — Dynamic DNS service allowing up to 3 hostnames for free with 30-day confirmation.
• SSLIP.io — Free DNS service that returns an IP address embedded in a queried hostname.
• Zilore — Free DNS hosting for up to 5 domains.
• ZoneEdit — Free DNS hosting with Dynamic DNS support.
• ZoneWatcher — Automatic backups and DNS change monitoring for one domain free.
• Huawei Cloud DNS — Free DNS hosting by Huawei.
• Hetzner DNS — Free DNS hosting from Hetzner with API support.
• Glauca — Free DNS hosting for up to 3 domains with DNSSEC support.

Education and Career Development link

• FreeCodeCamp — Open-source platform offering free courses and certifications in Data Analysis, Information Security, Web Development, and more.
• The Odin Project — Free, open-source platform with a curriculum focused on JavaScript and Ruby for web development.
• Free Professional Resume Templates & Editor — Free platform with lots of Resume templates of Experienced Professionals, ready to clone and edit fully and download, ATS optimized.
• DeepLearning.AI Short Courses — Free short courses from industry-leading experts to get hands-on experience with the latest generative AI tools and techniques in an hour or less.
• LabEx — Develop skills in Linux, DevOps, Cybersecurity, Programming, Data Science, and more through interactive labs and real-world projects.
• Roadmap.sh — Free learning roadmaps covering all aspects of development from Blockchain to UX Design.
• Cisco Networking Academy, Skills for All — Offers free certification-aligned courses in topics like cybersecurity, networking, and Python.
• MIT OpenCourseWare — MIT OpenCourseWare is an online publication of materials from over 2,500 MIT courses, freely sharing knowledge with learners and educators around the world. Youtube channel can be found at @mitocw.

Search link

• Algolia — Hosted search solution with typo-tolerance, relevance, and UI libraries to easily create search experiences. The free ‘Build’ plan includes 1M documents and 10K searches/month.
• Bonsai — Free 1 GB memory and 1 GB storage.
• CommandBar — Unified Search Bar as-a-service, web-based UI widget/plugin that allows your users to search contents, navigations, features, etc. within your product, which helps discoverability. Free for up to 1,000 Monthly Active Users, unlimited commands.
• Magny — SaaS service that helps implement command palettes (e.g., in-app search), which significantly decreases the time users find anything in an app, leveraging the user experience and efficiency.
• Searchly — Free 2 indices and 20 MB storage.

Email link

• 10minutemail — Free, temporary email for testing.
• AhaSend — Transactional email service, free for 1000 emails per month, with unlimited domains, team members, webhooks and message routes in the free plan.
• AnonAddy — Open-source anonymous email forwarding, create unlimited email aliases for free.
• Antideo — 10 API requests per hour for email verification, IP, and phone number validation in the free tier. No Credit Cards are required.
• Brevo — 9,000 emails/month, 300 emails/day free.
• Bump — Free 10 Bump email addresses, one custom domain.
• Burnermail — Free 5 Burner Email Addresses, 1 Mailbox, 7-day Mailbox History.
• Buttondown — Newsletter service. Up to 100 subscribers free.
• CloudMailin — Incoming email via HTTP POST and transactional outbound - 10,000 free emails/month.
• Contact.do — Contact form in a link (bitly for contact forms).
• debugmail.io — Easy to use testing mail server for developers.
• DNSExit — Up to 2 Email addresses under your domain for free with 100MB of storage space. IMAP, POP3, SMTP, SPF/DKIM support.
• EmailLabs.io — Send up to 9,000 Emails for free every month, up to 300 emails daily.
• EmailOctopus — Up to 2,500 subscribers and 10,000 emails per month free.
• EmailJS — Email client for sending emails directly from the client without exposing credentials. Free tier with 200 monthly requests.
• EtherealMail — Fake SMTP service mainly for Nodemailer and EmailEngine users. Messages never get delivered.
• Temp-Mail.org — Temporary / Disposable Mail Generator with multiple domain options. Refreshes on reload.
• TempMailDetector.com — Verify up to 200 emails a month for free to check if an email is temporary.
• Emailvalidation.io — 100 free email verifications per month.
• FakeMailGenerator.com — German temporary/disposable mail generator with 10 domains and unlimited addresses.
• forwardemail.net — Free email forwarding for custom domains with unlimited email addresses.
• Imitate Email — Sandbox Email Server for testing email functionality. Free accounts get 15 emails a day forever.
• ImprovMX — Free email forwarding.
• EForw — Free email forwarding for one domain. Receive and send emails from your domain.
• Inboxes App — Create up to 3 temporary emails a day for testing signup flows.
• inboxkitten.com — Free temporary/disposable email inbox, auto-deletes in 3 days, open-source.
• mail-tester.com — Test if email DNS/SPF/DKIM/DMARC settings are correct, 20 free tests per month.
• dkimvalidator.com — Free service to test if email DNS/SPF/DKIM/DMARC settings are correct.
• mailcatcher.me — Catches mail and serves it through a web interface.
• Mailcheck.ai — Prevents users from signing up with temporary email addresses, 120 requests/hour.
• Mailchimp — 500 subscribers and 1,000 emails/month free.
• Maildroppa — Up to 100 subscribers and unlimited emails as well as automations for free.
• MailerLite.com — 1,000 subscribers/month, 12,000 emails/month free.
• MailerSend.com — Email API, SMTP, 3,000 emails/month free for transactional emails.
• mailinator.com — Free, public email system with any inbox you want.
• Mailjet — 6,000 emails/month free (200 emails daily limit).
• Mailnesia — Free temporary/disposable email, auto-visits registration links.
• mailsac.com — API for temporary email testing, free public email hosting, and more.
• Mailtrap.io — Fake SMTP server for development, free plan with one inbox, 100 messages, and more.
• Mail7.io — Free Temp Email Addresses for QA Developers with Web Interface or API.
• Momentary Email — Free Temporary Email Addresses with RSS feed reading.
• Mutant Mail — Free 10 Email IDs, 1 Domain, 1 Mailbox.
• Outlook.com — Free personal email and calendar.
• Parsio.io — Free email parser, forward email, extract the data, send it to your server.
• pepipost.com — 30k emails free for the first month, then the first 100 emails/day free.
• Plunk — 3,000 emails/month for free.
• Postmark — 100 emails/month free, unlimited DMARC weekly digests.
• Proton Mail — Free secure email service with end-to-end encryption, 1GB storage.
• Queuemail.dev — Reliable email delivery API with 10,000 free emails/month.
• QuickEmailVerification — Verify 100 emails daily for free.
• Resend — Transactional emails API, 3,000 emails/month, 100 emails/day free.
• Sender — Up to 15,000 emails/month, up to 2,500 subscribers.
• SendGrid — 100 emails/day and 2,000 contacts free.
• Sendpulse — 500 subscribers/month, 15,000 emails/month free.
• SimpleLogin — Open-source, self-hostable email alias/forwarding solution. Free 5 Aliases, unlimited bandwidth.
• Substack — Unlimited free newsletter service, pay when you charge.
• Sweego — 500 emails/day free.
• Takeout — 500 transactional emails/month free.
• temp-mail.io — Free disposable temporary email service.
• tinyletter.com — 5,000 subscribers/month free.
• Touchlead — Free for limited leads and automations.
• trashmail.com — Free disposable email with forwarding and auto-expiration.
• Tutanota — Free secure email with end-to-end encryption, 1GB storage, partially open-source.
• Verifalia — Real-time email verification API, 25 free verifications/day.
• verimail.io — Bulk and API email verification service. 100 free verifications/month.
• Zoho — Free suite of services including email, project management, and CRM.
• Maileroo — SMTP relay and email API for developers, 5,000 emails/month, free email verification.

Storage and Media Processing link

• AndroidFileHost — Free file-sharing platform with unlimited speed, bandwidth, file count, download count, etc. It is mainly aimed for Android dev-related files like APK build, custom ROM & modifications, etc. But seems to accept any other files as well.
• BorgBase — Simple and secure offsite backup hosting for Borg Backup. 10 GB free backup space and two repositories.
• Icedrive — Simple cloud storage service. 10 GB free storage.
• Sync.com — End-to-End cloud storage service. 5 GB of free storage.
• pCloud — Cloud storage service. Up to 10 GB of free storage.
• Sirv — Smart Image CDN with on-the-fly image optimization and resizing. The free tier includes 500 MB of storage and 2 GB of bandwidth.
• Cloudimage — Full image optimization and CDN service with 1500+ Points of Presence around the world. A variety of image resizing, compression, and watermarking functions. Open source plugins for responsive images, 360 image making and image editing. Free monthly plan with 25GB of CDN traffic 25GB of cache storage and unlimited transformations.
• Cloudinary — Image upload, powerful manipulations, storage, and delivery for sites and apps, with Ruby, Python, Java, PHP, Objective-C, and more libraries. The free tier includes 25 monthly credits. One credit equals 1,000 image transformations, 1 GB of storage, or 1 GB of CDN usage.
• Embed.ly — Provides APIs for embedding media in a webpage, responsive image scaling, and extracting elements from a webpage. Free for up to 5,000 URLs/month at 15 requests/second.
• Filestack — File picker, transform, and deliver, free for 250 files, 500 transformations, and 3 GB bandwidth.
• File.io — 2 GB storage of files. A file is auto-deleted after one download. REST API to interact with the storage. Rate limit one request/minute.
• Freetools — Free online tools. Convert or edit documents, images, audio, video, and more.
• GoFile.io — Free file sharing and storage platform can be used via web-based UI & also API. Unlimited file size, bandwidth, download count, etc. But it will be deleted when a file becomes inactive (no download for more than ten days).
• Gumlet — Image and video hosting, processing and streaming via CDN. Provides generous free tier of 250 GB/month for videos and 30 GB/month for images.
• Image-Charts — Unlimited image chart generation with a watermark.
• Imgbot — Imgbot is a friendly robot that optimizes your images and saves you time. Optimized images mean smaller file sizes without sacrificing quality. It’s free for open source.
• ImgBB — ImgBB is an unlimited image hosting service. Drag and drop your image anywhere on the screen. 32 MB / image limit. Receive Direct image links, BBCode and HTML thumbnails after uploading image. Login to see the upload history.
• Imgen — Free unlimited social cover image generation API, no watermark.
• Imgix — Image Caching, management and CDN. Free plan includes 1000 origin images, infinite transformations and 100 GB bandwidth.
• Kraken.io — Image optimization for website performance as a service, free plan up to 1 MB file size.
• KVStore.io — Key-value storage service. The free tier allows 100 keys, 1KB/key, 100 calls/hour.
• nPoint.io — JSON store with collaborative schema editing.
• NitroPack — Accelerate your site’s speed on autopilot with complete front-end optimization (caching, images and code optimization, CDN). Free for up to 5,000 pageviews/month.
• Otixo — Encrypt, share, copy, and move all your cloud storage files from one place. The basic plan provides unlimited file transfer with 250 MB max. file size and allows five encrypted files.
• PackageCloud — Hosted Package Repositories for YUM, APT, RubyGem and PyPI. Limited free plans and open-source plans are available via request.
• GetPantry — A simple JSON data storage API perfect for personal projects, hackathons, and mobile apps!
• Piio — Responsive image optimization and delivery for every website. Free plan for developers and personal websites. Includes free CDN, WebP, and Lazy Loading out of the box.
• Pinata IPFS — Pinata is the simplest way to upload and manage files on IPFS. Our friendly user interface and IPFS API make Pinata the easiest IPFS pinning service for platforms, creators, and collectors. 1 GB storage free, along with access to API.
• PlaceKitten — A quick and simple service for getting pictures of kittens for use as placeholders.
• Plotly — Graph and share your data. The free tier includes unlimited public files and ten private files.
• QuickChart — Generate embeddable image charts, graphs, and QR codes.
• Redbooth — P2P file syncing, free for up to 2 users.
• ReSmush.it — ReSmush.it is a FREE API that provides image optimization. ReSmush.it has been implemented on the most common CMS such as WordPress, Drupal, or Magento. ReSmush.it is the most used image optimization API with more than seven billion images already treated, and it is still Free of charge.
• Shotstack — API to generate and edit video at scale. Free up to 20 minutes of rendered video per month.
• TinyPNG — API to compress and resize PNG and JPEG images, offers 500 compressions for free each month.
• Transloadit — Handles file uploads and encoding of video, audio, images, documents. Free for Open source, charities, and students via the GitHub Student Developer Pack. Commercial applications get 2 GB free for test driving.
• TwicPics — Responsive images as a service. It provides an image CDN, a media processing API, and a frontend library to automate image optimization. The service is free for up to 3GB of traffic/per month.
• Uploadcare — Uploadcare provides the media pipeline with the ultimate toolkit based on cutting-edge algorithms. All features are available for developers absolutely for free: File Uploading API and UI, Image CDN and Origin Services, Adaptive Delivery, and Smart Compression. The free tier has 3000 uploads, 3 GB traffic, and 3 GB storage.
• ImageKit.io — Image CDN with automatic optimization, real-time transformation, and storage that you can integrate with existing setup in minutes. The free plan includes up to 20GB of bandwidth per month.
• Internxt — Internxt Drive is a zero-knowledge file storage service based on absolute privacy and uncompromising security. Sign up and get 10 GB for free, forever!
• Degoo — AI based cloud storage with free up to 20 GB, three devices, 5 GB referral bonus (90 days account inactivity).
• MConverter — Convert files in bulk. Supports many file formats, including new ones like AVIF. Extract all image frames from videos. Free for up to ten 100MB-files per day, processed in batches of two.
• ImageEngine — ImageEngine is an easy to use global image CDN. Sub 60 sec setup. AVIF and JPEGXL support, WordPress-, Magento-, React-, Vue- plugins and more. Claim your free developer account.
• DocsParse — GPT powered AI processing of PDFs, Images, into structured data in JSON, CSV, EXCEL formats. 30 credits for free each month.

Commenting Platforms link

• GraphComment — GraphComment is a comments platform that helps you build an active community from the website’s audience.
• Utterances — A lightweight comments widget built on GitHub issues. Use GitHub issues for blog comments, wiki pages, and more!
• Disqus — Disqus is a networked community platform used by hundreds of thousands of sites all over the web.
• Remarkbox — Open source hosted comments platform, pay what you can for one moderator on a few domains with complete control over behavior and appearance.
• IntenseDebate — A feature-rich comment system for WordPress, Tumblr, Blogger, and many other website platforms.

Remote Desktop Tools link

• Getscreen.me — Free for 2 devices, with no limits on the number and duration of sessions.
• Apache Guacamole™ — Open-source clientless remote desktop gateway.
• RemSupp — On-demand support and permanent access to devices. Free for 2 sessions/day.
• RustDesk — Open-source virtual/remote desktop infrastructure for everyone.