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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
  • Application-Insights-Workbooks Public

    Templates for Azure Monitor Workbooks

    microsoft/Application-Insights-Workbooks’s past year of commit activity
    JSON 635 MIT 494 17 35 Updated Jan 3, 2026
  • durabletask-dotnet Public

    Out-of-process .NET SDK for the Durable Task Framework

    microsoft/durabletask-dotnet’s past year of commit activity
    C# 173 MIT 53 36 37 Updated Jan 3, 2026
  • mcscatblog Public
    microsoft/mcscatblog’s past year of commit activity
    SCSS 7 MIT 5 8 4 Updated Jan 3, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,063 MIT 5,844 1,086 816 Updated Jan 3, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 18,840 MIT 3,625 838 375 Updated Jan 3, 2026
  • trident Public

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

    microsoft/trident’s past year of commit activity
    Rust 19 MIT 15 16 10 Updated Jan 3, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,264 MIT 37,173 5,000+ (554 issues need help) 947 Updated Jan 3, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 619 MIT 121 213 34 Updated Jan 3, 2026
  • qdk Public

    Azure Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas

    microsoft/qdk’s past year of commit activity
    Rust 817 MIT 161 146 (1 issue needs help) 8 Updated Jan 3, 2026
  • rushstack Public

    Monorepo for tools developed by the Rush Stack community

    microsoft/rushstack’s past year of commit activity
    TypeScript 6,390 659 853 (129 issues need help) 134 Updated Jan 3, 2026
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