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Open source projects and samples from Microsoft
README.md

Open Source at Microsoft

Get Involved

Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

Visit opensource.microsoft.com to learn more!

Microsoft projects adopt the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ.

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  1. vscode vscode Public

    Visual Studio Code

    TypeScript 193k 43.8k

  2. TypeScript TypeScript Public

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

    Go 111k 15.3k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C 139k 8.6k

  4. terminal terminal Public

    The new Windows Terminal and the original Windows console host, all in the same place!

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

    Integrate cutting-edge LLM technology quickly and easily into your apps

    C# 28.6k 4.8k

Repositories

Showing 10 of 8314 repositories
  • hve-core Public

    A refined collection of Hypervelocity Engineering components (instructions, prompts, agents, and skills) to start your project off right, or upgrade your existing projects to get the most out of GitHub Copilot

    microsoft/hve-core's past year of commit activity
    Python 1,485 MIT 318 196 (9 issues need help) 39 Updated Sep 29, 2026
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox's past year of commit activity
    Rust 2,698 MIT 145 129 31 Updated Sep 29, 2026
  • intelligent-terminal Public

    A fork of Windows Terminal with native agent integration, right in your command line.

    microsoft/intelligent-terminal's past year of commit activity
    C++ 2,035 MIT 164 65 67 Updated Sep 29, 2026
  • ShadowFrog Public

    A suite of AI coding agent skills that build and maintain a shadow knowledge base for any codebase.

    microsoft/ShadowFrog's past year of commit activity
    Python 28 MIT 9 5 1 Updated Sep 29, 2026
  • rhobotics Public

    Repository for Rho, a family of 5B VLA models designed for efficient task adaptation

    microsoft/rhobotics's past year of commit activity
    Python 2 MIT 2 0 0 Updated Sep 29, 2026
  • azure-container-linux Public Forked from flatcar/scripts

    Azure Container Linux (ACL): Immutable, Optimized Container Host OS for AKS 

    microsoft/azure-container-linux's past year of commit activity
    Shell 15 MIT 118 2 13 Updated Sep 29, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire's past year of commit activity
    C# 6,324 MIT 998 2,192 (2 issues need help) 256 Updated Sep 29, 2026
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib's past year of commit activity
    TypeScript 30 MIT 17 2 68 Updated Sep 29, 2026
  • typespec Public
    microsoft/typespec's past year of commit activity
    Java 5,872 MIT 400 999 (2 issues need help) 57 Updated Sep 29, 2026
  • PyRIT Public

    The Python Risk Identification Tool for generative AI (PyRIT) is an open source framework built to empower security professionals and engineers to proactively identify risks in generative AI systems.

    microsoft/PyRIT's past year of commit activity
    Python 4,558 MIT 917 83 (19 issues need help) 54 Updated Sep 29, 2026
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