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@github

GitHub

How people build software.

Hey, this is us 👋

An illustration showing a variety of differently themed Octocats. Monuments from different cities are indicated in the background like the Space Needle, Berlin Fernsehturm and Transamerica Pyramid.

Yes, we are building GitHub on GitHub. In fact, we’ve been doing this since October 19th, 2007. That's when we made our first commit. Since then we pushed over 2.5 million commits, opened over 1 million issues, submitted roughly 650k pull requests across 4357 repositories from over 50 countries. 🤯 But that's just us. We are proud to be part of the work of millions of developers, companies and robots across the solar system. 🪐 Yes, Robots!

🍿 An interconnected community

The open source community is the 💗 heart of GitHub and fundamental to how we build software today. See for yourself:

  • GitHub Sponsors helped support more than 5k individuals and projects around the world 🌍
  • Open source projects on GitHub received a stunning 218 million contributions 🚀 in the last year alone
  • Every minute a developer creates a new release 🏄 for a public project on GitHub

Now that we are talking about the important things, ☝️ are you contributing to open source? Yes? Okay, you rock! 🎸 If not, we can help you get started! Open source software is made by people just like you. Learn more about how to contribute.

🦦 Contributing to the ecosystem

We contribute to the tools 🔧 we rely on to build and run GitHub, while also maintaining 🧙‍♂️ our own open source projects like:

👓 Appendix

See what's next on our public roadmap ✨ and let us know if you have any suggestions. 🙇‍♂️ Oh, and by the way, we are always hiring talented, passionate people to join our team. 🙌

"Tell me more, I can't get enough!"

🤫 Psst! You can create your own organization README.

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  1. training-kit training-kit Public

    Open source courseware for Git and GitHub

    HTML 5k 4.5k

  2. choosealicense.com choosealicense.com Public

    A site to provide non-judgmental guidance on choosing a license for your open source project

    Ruby 4.1k 1.6k

  3. scientist scientist Public

    🔬 A Ruby library for carefully refactoring critical paths.

    Ruby 7.7k 495

  4. gh-ost gh-ost Public

    GitHub's Online Schema-migration Tool for MySQL

    Go 13.4k 1.4k

  5. github-mcp-server github-mcp-server Public

    GitHub's official MCP Server

    Go 30.8k 4.4k

Repositories

Showing 10 of 552 repositories
  • gh-aw Public

    GitHub Agentic Workflows

    github/gh-aw’s past year of commit activity
    Go 4,633 MIT 424 240 6 Updated Jun 17, 2026
  • gh-aw-mcpg Public

    Github Agentic Workflows MCP Gateway

    github/gh-aw-mcpg’s past year of commit activity
    Go 134 MIT 27 21 1 Updated Jun 17, 2026
  • codeql Public

    CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

    github/codeql’s past year of commit activity
    CodeQL 9,714 MIT 1,991 983 (4 issues need help) 413 Updated Jun 17, 2026
  • gh-aw-firewall Public

    GitHub Agentic Workflows Firewall

    github/gh-aw-firewall’s past year of commit activity
    TypeScript 98 MIT 28 52 12 Updated Jun 17, 2026
  • copilot-sdk Public

    Multi-platform SDK for integrating GitHub Copilot Agent into apps and services

    github/copilot-sdk’s past year of commit activity
    Java 9,413 MIT 1,261 163 37 Updated Jun 17, 2026
  • spec-kit Public

    💫 Toolkit to help you get started with Spec-Driven Development

    github/spec-kit’s past year of commit activity
    Python 113,037 MIT 9,975 238 (1 issue needs help) 148 Updated Jun 17, 2026
  • markdownlint-github Public

    An opinionated collection of markdownlint rules used by GitHub.

    github/markdownlint-github’s past year of commit activity
    JavaScript 97 MIT 8 6 0 Updated Jun 17, 2026
  • accessibility-scanner Public

    Finds potential accessibility gaps, files GitHub issues to track them, and attempts to fix them with Copilot.

    github/accessibility-scanner’s past year of commit activity
    TypeScript 314 MIT 33 18 3 Updated Jun 17, 2026
  • advisory-database Public

    Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

    github/advisory-database’s past year of commit activity
    2,329 CC-BY-4.0 640 88 278 Updated Jun 17, 2026
  • include-fragment-element Public

    A client-side includes tag.

    github/include-fragment-element’s past year of commit activity
    JavaScript 569 MIT 41 2 1 Updated Jun 17, 2026