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  1. keploy/keploy

    Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

    Go★ 19.3kApache-2.0GitHub ↗

  2. Orange-OpenSource/hurl

    Hurl, run and test HTTP requests with plain text.

    Rust★ 19.3kApache-2.0GitHub ↗

  3. LunarVim/LunarVim

    🌙 LunarVim is an IDE layer for Neovim. Completely free and community driven.

    Lua★ 19.2kGPL-3.0GitHub ↗

  4. audacity/audacity

    Audio Editor

    C++★ 18.9kGitHub ↗

  5. alyssaxuu/screenity

    The free and privacy-friendly screen recorder with no limits 🎥

    JavaScript★ 18.9kGPL-3.0GitHub ↗

  6. iii-hq/iii

    Effortlessly compose, extend, and observe every service in real-time for the first time ever.

    Rust★ 18.9kGitHub ↗

  7. conventional-changelog/commitlint

    📓 Lint commit messages

    TypeScript★ 18.8kMITGitHub ↗

  8. ahmedkhaleel2004/gitdiagram

    Visualize any GitHub codebase: free interactive architecture diagrams and one-minute explainer videos. Replace 'hub' with 'diagram' in any GitHub URL.

    TypeScript★ 18.7kMITGitHub ↗

  9. mswjs/msw

    The industry standard for API mocking in JavaScript.

    TypeScript★ 18.3kMITGitHub ↗

  10. lidge-jun/opencodex

    Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

    TypeScript★ 18.2kMITGitHub ↗

  11. mahmoud/awesome-python-applications

    💿 Free software that works great, and also happens to be open-source Python.

    Jupyter Notebook★ 18.1kGitHub ↗

  12. rowboatlabs/rowboat

    AI coworker with memory and collaboration

    TypeScript★ 18.1kApache-2.0GitHub ↗

  13. tj/git-extras

    GIT utilities -- repo summary, repl, changelog population, author commit percentages and more

    Shell★ 18.1kMITGitHub ↗

  14. so-fancy/diff-so-fancy

    Make your diffs human readable for improved code quality and faster defect detection. :tada:

    Perl★ 18.1kMITGitHub ↗

  15. nhn/tui.editor

    🍞📝 Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible.

    TypeScript★ 18.0kMITarchivedGitHub ↗

  16. commitizen/cz-cli

    The commitizen command line utility. #BlackLivesMatter

    JavaScript★ 17.5kMITGitHub ↗

  17. foambubble/foam

    A personal knowledge management and sharing system for VSCode

    TypeScript★ 17.5kGitHub ↗

  18. Automattic/harper

    Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

    Rust★ 17.4kApache-2.0GitHub ↗

  19. source-foundry/Hack

    A typeface designed for source code

    Shell★ 17.4kGitHub ↗

  20. coder/coder

    Secure environments for developers and their agents

    Go★ 17.3kAGPL-3.0GitHub ↗

  21. graphql/graphiql

    GraphiQL & the GraphQL LSP Reference Ecosystem for building browser & IDE tools.

    TypeScript★ 16.9kMITGitHub ↗

  22. google/artemis

    ARTEMIS turns natural-language instructions into reliable Android automation. It automates end-to-end workflows, captures logs, and integrates seamlessly with AI coding assistants such as Antigravity, Codex, and Claude Code. It also achieves 99%+ success rate on AndroidWorld Benchmark.

    Python★ 16.5kApache-2.0GitHub ↗

  23. omnivore-app/omnivore

    Omnivore is a complete, open source read-it-later solution for people who like reading.

    TypeScript★ 16.4kAGPL-3.0GitHub ↗

  24. tinymce/tinymce

    The world's #1 JavaScript library for rich text editing. Available for React, Vue and Angular

    TypeScript★ 16.3kGitHub ↗

  25. public-api-lists/public-api-lists

    A curated list of free public APIs — searchable, community-maintained, with a free JSON API.

    ★ 16.3kMITGitHub ↗

  26. yabwe/medium-editor

    Medium.com WYSIWYG editor clone. Uses contenteditable API to implement a rich text solution.

    JavaScript★ 16.1kGitHub ↗

  27. Flow-Launcher/Flow.Launcher

    :mag: Quick file search & app launcher for Windows with community-made plugins

    C#★ 16.0kMITGitHub ↗

  28. treeverse/dvc

    🦉 Data Versioning and ML Experiments

    Python★ 16.0kApache-2.0GitHub ↗

  29. YishenTu/claudian

    An Obsidian plugin that embeds Claude Code, Codex and other agents as an AI collaborator in your vault.

    TypeScript★ 15.9kMITGitHub ↗

  30. GoogleContainerTools/skaffold

    Easy and Repeatable Kubernetes Development

    Go★ 15.9kApache-2.0GitHub ↗

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