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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 Public

    Visual Studio Code

    TypeScript 170k 31.5k

  2. TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal Public

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

    C++ 97.7k 8.5k

  5. semantic-kernel Public

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

    C# 24k 3.7k

Repositories

Showing 10 of 6748 repositories
  • onnxscript Public

    ONNX Script enables developers to naturally author ONNX functions and models using a subset of Python.

    Python 334 MIT 63 236 (5 issues need help) 38 Updated Apr 13, 2025
  • vscode-apimanagement Public

    VS Code extension for Azure API Management.

    TypeScript 64 MIT 45 97 21 Updated Apr 13, 2025
  • verified-storage Public

    Storage systems with verified correctness properties

    Rust 44 MIT 15 0 1 Updated Apr 13, 2025
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    C++ 116 MIT 28 3 (1 issue needs help) 2 Updated Apr 13, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,261 MIT 4,974 901 320 Updated Apr 13, 2025
  • vscode-azurearmtools Public

    Azure Resource Manager Tools for Visual Studio Code

    TypeScript 136 MIT 81 125 (3 issues need help) 7 Updated Apr 13, 2025
  • vsts-open-in-excel Public

    Open in Excel extension for Azure DevOps

    TypeScript 3 MIT 2 2 7 Updated Apr 13, 2025
  • proxy Public

    Proxy: Next Generation Polymorphism in C++

    C++ 2,564 MIT 175 3 0 Updated Apr 13, 2025
  • fluentui-blazor Public

    Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

    C# 4,245 MIT 414 39 7 Updated Apr 13, 2025
  • vcpkg-tool Public

    Components of microsoft/vcpkg's binary.

    C++ 473 MIT 302 0 43 Updated Apr 13, 2025
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