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Open source projects and samples from Microsoft
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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 170k 31.8k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 118k 7k

  4. terminal terminal Public

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

    C++ 97.8k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.2k 3.8k

Repositories

Showing 10 of 6778 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,285 MIT 4,998 890 99 Updated Apr 26, 2025
  • onnxruntime-genai Public

    Generative AI extensions for onnxruntime

    microsoft/onnxruntime-genai’s past year of commit activity
    C++ 695 MIT 175 101 29 Updated Apr 26, 2025
  • MarS Public

    MarS: a Financial Market Simulation Engine Powered by Generative Foundation Model

    microsoft/MarS’s past year of commit activity
    Python 1,367 MIT 138 6 1 Updated Apr 26, 2025
  • react-native-windows Public

    A framework for building native Windows apps with React.

    microsoft/react-native-windows’s past year of commit activity
    C++ 16,743 1,156 673 (10 issues need help) 41 Updated Apr 26, 2025
  • SeerAttention Public

    SeerAttention: Learning Intrinsic Sparse Attention in Your LLMs

    microsoft/SeerAttention’s past year of commit activity
    Python 97 MIT 8 2 1 Updated Apr 26, 2025
  • moaw Public

    Grab-and-go resources to help you learn new skills, with all the tools you need to create, host and share your own workshop

    microsoft/moaw’s past year of commit activity
    Jupyter Notebook 118 CC-BY-SA-4.0 97 4 1 Updated Apr 26, 2025
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 116 MIT 28 3 (1 issue needs help) 0 Updated Apr 26, 2025
  • lage Public

    Task runner in JS monorepos

    microsoft/lage’s past year of commit activity
    TypeScript 768 MIT 75 102 21 Updated Apr 26, 2025
  • beachball Public

    The Sunniest Semantic Version Bumper

    microsoft/beachball’s past year of commit activity
    TypeScript 774 MIT 89 98 (1 issue needs help) 16 Updated Apr 26, 2025
  • vcpkg Public

    C++ Library Manager for Windows, Linux, and MacOS

    microsoft/vcpkg’s past year of commit activity
    CMake 24,598 MIT 6,811 1,045 260 Updated Apr 26, 2025
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