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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 180k 37.1k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

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

    C# 127k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.9k 4.4k

Repositories

Showing 10 of 7453 repositories
  • qlib Public

    Qlib is an AI-oriented Quant investment platform that aims to use AI tech to empower Quant Research, from exploring ideas to implementing productions. Qlib supports diverse ML modeling paradigms, including supervised learning, market dynamics modeling, and RL, and is now equipped with https://github.com/microsoft/RD-Agent to automate R&D process.

    microsoft/qlib’s past year of commit activity
    Python 34,929 MIT 5,425 270 (2 issues need help) 42 Updated Dec 27, 2025
  • PSRule Public

    Validate infrastructure as code (IaC) and objects using PowerShell rules.

    microsoft/PSRule’s past year of commit activity
    C# 447 MIT 60 66 (2 issues need help) 10 Updated Dec 27, 2025
  • windows-drivers-rs Public

    Platform that enables Windows driver development in Rust

    microsoft/windows-drivers-rs’s past year of commit activity
    Rust 1,796 Apache-2.0 110 88 (3 issues need help) 51 Updated Dec 27, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,046 MIT 5,814 1,105 1,098 Updated Dec 27, 2025
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,522 MIT 602 178 484 Updated Dec 27, 2025
  • microsoft-ui-xaml Public

    WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.

    microsoft/microsoft-ui-xaml’s past year of commit activity
    C++ 7,192 MIT 784 2,040 (18 issues need help) 10 Updated Dec 27, 2025
  • onnxscript Public

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

    microsoft/onnxscript’s past year of commit activity
    Python 414 MIT 98 226 (1 issue needs help) 34 Updated Dec 27, 2025
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib’s past year of commit activity
    TypeScript 23 MIT 12 2 22 Updated Dec 27, 2025
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 619 MIT 121 213 32 Updated Dec 27, 2025
  • vcpkg-tool Public

    Components of microsoft/vcpkg's binary.

    microsoft/vcpkg-tool’s past year of commit activity
    C++ 538 MIT 337 11 49 Updated Dec 27, 2025
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