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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 7.6k 476

  4. gh-ost gh-ost Public

    GitHub's Online Schema-migration Tool for MySQL

    Go 13.1k 1.3k

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

    GitHub's official MCP Server

    Go 25.4k 3.3k

Repositories

Showing 10 of 530 repositories
  • rubocop-github Public

    Code style checking for GitHub's Ruby projects

    github/rubocop-github’s past year of commit activity
    Ruby 652 MIT 162 4 5 Updated Dec 22, 2025
  • 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 180 MIT 72 104 29 Updated Dec 22, 2025
  • 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
    2,068 CC-BY-4.0 499 70 3 Updated Dec 22, 2025
  • pages-health-check Public

    Checks your GitHub Pages site for common DNS configuration issues

    github/pages-health-check’s past year of commit activity
    Ruby 152 MIT 44 5 2 Updated Dec 22, 2025
  • codeql-action Public

    Actions for running CodeQL analysis

    github/codeql-action’s past year of commit activity
    TypeScript 1,442 MIT 429 146 (2 issues need help) 13 Updated Dec 22, 2025
  • issue-metrics Public

    Gather metrics on issues/prs/discussions such as time to first response, count of issues opened, closed, etc.

    github/issue-metrics’s past year of commit activity
    Python 511 MIT 91 10 (2 issues need help) 0 Updated Dec 22, 2025
  • explore Public

    Community-curated topic and collection pages on GitHub

    github/explore’s past year of commit activity
    Ruby 4,599 CC-BY-4.0 13,830 2 2 Updated Dec 22, 2025
  • github-mcp-server Public

    GitHub's official MCP Server

    github/github-mcp-server’s past year of commit activity
    Go 25,355 MIT 3,254 153 (1 issue needs help) 119 Updated Dec 22, 2025
  • secure_headers Public

    Manages application of security headers with many safe defaults

    github/secure_headers’s past year of commit activity
    Ruby 3,262 MIT 253 14 7 Updated Dec 22, 2025
  • gh-gei Public

    Migration CLI for GitHub to GitHub migrations

    github/gh-gei’s past year of commit activity
    C# 402 MIT 126 156 7 Updated Dec 22, 2025