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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 37.2k

  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# 27k 4.4k

Repositories

Showing 10 of 7457 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,073 MIT 5,855 1,087 527 Updated Jan 4, 2026
  • vscode-python-environments Public

    VS Code extension for Python environment and package management

    microsoft/vscode-python-environments’s past year of commit activity
    TypeScript 78 MIT 36 160 (22 issues need help) 19 Updated Jan 4, 2026
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 319 MIT 225 36 (3 issues need help) 35 Updated Jan 4, 2026
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 18,852 MIT 3,625 838 374 Updated Jan 4, 2026
  • presidio Public

    An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

    microsoft/presidio’s past year of commit activity
    Python 6,536 MIT 893 57 (8 issues need help) 15 Updated Jan 4, 2026
  • 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 Jan 4, 2026
  • teams.net Public

    a suite of packages used to build on the Teams Platform.

    microsoft/teams.net’s past year of commit activity
    C# 22 MIT 15 60 19 Updated Jan 4, 2026
  • ai-dev-gallery Public

    An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

    microsoft/ai-dev-gallery’s past year of commit activity
    C# 1,374 MIT 197 60 (2 issues need help) 7 Updated Jan 4, 2026
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,524 MIT 602 178 467 Updated Jan 4, 2026
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 134 MIT 32 3 (1 issue needs help) 3 Updated Jan 4, 2026
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