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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 4.8k 4.4k

  2. choosealicense.com choosealicense.com Public

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

    Ruby 4k 1.5k

  3. scientist scientist Public

    🔬 A Ruby library for carefully refactoring critical paths.

    Ruby 7.7k 482

  4. gh-ost gh-ost Public

    GitHub's Online Schema-migration Tool for MySQL

    Go 13.2k 1.3k

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

    GitHub's official MCP Server

    Go 26.3k 3.5k

Repositories

Showing 10 of 533 repositories
  • github-mcp-server Public

    GitHub's official MCP Server

    github/github-mcp-server’s past year of commit activity
    Go 26,328 MIT 3,455 144 105 Updated Jan 26, 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 9,172 MIT 1,886 920 (4 issues need help) 357 Updated Jan 26, 2026
  • markdownlint-github Public

    An opinionated collection of markdownlint rules used by GitHub.

    github/markdownlint-github’s past year of commit activity
    JavaScript 82 MIT 8 6 0 Updated Jan 26, 2026
  • docs Public

    The open-source repo for docs.github.com

    github/docs’s past year of commit activity
    TypeScript 18,800 CC-BY-4.0 65,743 99 (10 issues need help) 69 Updated Jan 26, 2026
  • codeql-action Public

    Actions for running CodeQL analysis

    github/codeql-action’s past year of commit activity
    TypeScript 1,466 MIT 433 146 (2 issues need help) 14 Updated Jan 26, 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
    TypeScript 5,730 MIT 607 48 15 Updated Jan 26, 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
    2,119 CC-BY-4.0 522 76 16 Updated Jan 26, 2026
  • github/codeql-variant-analysis-action’s past year of commit activity
    TypeScript 21 MIT 14 2 0 Updated Jan 26, 2026
  • codeql-coding-standards Public

    This repository contains CodeQL queries and libraries which support various Coding Standards.

    github/codeql-coding-standards’s past year of commit activity
    CodeQL 183 MIT 73 104 27 Updated Jan 26, 2026
  • jekyll-commonmark-ghpages Public

    CommonMark generator for Jekyll used by GitHub Pages

    github/jekyll-commonmark-ghpages’s past year of commit activity
    Ruby 68 MIT 22 10 1 Updated Jan 26, 2026