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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 182k 38.1k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 130k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.3k 4.5k

Repositories

Showing 10 of 7579 repositories
  • json-schemas Public

    Publishing repository for different schemas used by products and services from Microsoft

    microsoft/json-schemas’s past year of commit activity
    Python 127 MIT 105 20 1 Updated Feb 21, 2026
  • PowerPlatform-DataverseClient-Python Public
    microsoft/PowerPlatform-DataverseClient-Python’s past year of commit activity
    Python 32 MIT 11 3 10 Updated Feb 21, 2026
  • dcp Public

    Developer Control Plane API server and CLI.

    microsoft/dcp’s past year of commit activity
    Go 146 MIT 8 35 3 Updated Feb 21, 2026
  • amplifier-docs Public

    Documentation for the Amplifier project

    microsoft/amplifier-docs’s past year of commit activity
    Python 0 MIT 4 33 1 Updated Feb 21, 2026
  • mscclpp Public

    MSCCL++: A GPU-driven communication stack for scalable AI applications

    microsoft/mscclpp’s past year of commit activity
    C++ 469 MIT 85 10 17 Updated Feb 21, 2026
  • XamlBehaviors Public

    This is the official home for WinUI/UWP XAML Behaviors on GitHub.

    microsoft/XamlBehaviors’s past year of commit activity
    C# 766 MIT 120 58 7 Updated Feb 21, 2026
  • DiskANN Public

    Graph-structured Indices for Scalable, Fast, Fresh and Filtered Approximate Nearest Neighbor Search

    microsoft/DiskANN’s past year of commit activity
    Rust 1,703 MIT 381 119 (3 issues need help) 89 Updated Feb 21, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,946 MIT 38,061 5,000+ (529 issues need help) 1,170 Updated Feb 21, 2026
  • WindowsAppSDK Public

    The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

    microsoft/WindowsAppSDK’s past year of commit activity
    C++ 4,433 MIT 414 312 (12 issues need help) 74 Updated Feb 21, 2026
  • DataFactory.MCP Public
    microsoft/DataFactory.MCP’s past year of commit activity
    C# 6 MIT 7 13 3 Updated Feb 20, 2026
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