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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 178k 35.6k

  2. TypeScript TypeScript Public

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

    TypeScript 106k 13.1k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 125k 7.4k

  4. terminal terminal Public

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

    C++ 101k 8.9k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.5k 4.3k

Repositories

Showing 10 of 7226 repositories
  • trident Public

    Azure Linux servicing agent - security focused install, provisioning, and update

    microsoft/trident’s past year of commit activity
    Rust 11 MIT 5 0 15 Updated Oct 23, 2025
  • SQLCallStackResolver Public

    A sample tool for users of Microsoft SQL Server to aid in troubleshooting otherwise difficult to diagnose issues. Provided AS-IS - see SUPPORT.md.

    microsoft/SQLCallStackResolver’s past year of commit activity
    C# 51 MIT 11 3 1 Updated Oct 23, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 177,816 MIT 35,647 5,000+ (444 issues need help) 840 Updated Oct 23, 2025
  • agent-lightning Public

    The absolute trainer to light up AI agents.

    microsoft/agent-lightning’s past year of commit activity
    Python 1,808 MIT 158 37 21 Updated Oct 23, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,813 MIT 5,527 1,039 714 Updated Oct 23, 2025
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib’s past year of commit activity
    TypeScript 20 MIT 13 2 14 Updated Oct 23, 2025
  • WindowsAppSDK-Samples Public

    Feature samples for the Windows App SDK

    microsoft/WindowsAppSDK-Samples’s past year of commit activity
    C++ 884 MIT 300 52 32 Updated Oct 23, 2025
  • mscclpp Public

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

    microsoft/mscclpp’s past year of commit activity
    C++ 426 MIT 71 12 28 Updated Oct 23, 2025
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,429 MIT 317 972 (3 issues need help) 34 Updated Oct 23, 2025
  • cpp_client_telemetry Public

    1DS C++ SDK

    microsoft/cpp_client_telemetry’s past year of commit activity
    C 94 Apache-2.0 58 149 (11 issues need help) 25 Updated Oct 23, 2025
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