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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 166k 30.1k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.6k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 114k 6.7k

  4. terminal terminal Public

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

    C++ 96.5k 8.4k

  5. semantic-kernel semantic-kernel Public

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

    C# 22.7k 3.4k

Repositories

Showing 10 of 6612 repositories
  • azure-quantum-tgp Public

    Code and notebooks to showcase experimental results from Azure Quantum hardware team

    microsoft/azure-quantum-tgp’s past year of commit activity
    Python 40 18 0 2 Updated Jan 18, 2025
  • eureka-ml-insights Public

    A framework for standardizing evaluations of large foundation models, beyond single-score reporting and rankings.

    microsoft/eureka-ml-insights’s past year of commit activity
    Python 106 Apache-2.0 14 2 7 Updated Jan 18, 2025
  • testfx Public

    This repository holds the source code of Microsoft Testing Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx’s past year of commit activity
    C# 821 MIT 263 179 21 Updated Jan 18, 2025
  • fhir-server Public

    A service that implements the FHIR standard

    microsoft/fhir-server’s past year of commit activity
    TSQL 1,222 MIT 521 88 (2 issues need help) 69 Updated Jan 18, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 15,326 MIT 2,999 2,486 526 Updated Jan 18, 2025
  • CsWin32 Public

    A source generator to add a user-defined set of Win32 P/Invoke methods and supporting types to a C# project.

    microsoft/CsWin32’s past year of commit activity
    C# 2,178 MIT 96 108 (2 issues need help) 5 Updated Jan 18, 2025
  • ALAppExtensions Public

    Repository for collaboration on Microsoft AL application add-on and localization extensions for Microsoft Dynamics 365 Business Central.

    microsoft/ALAppExtensions’s past year of commit activity
    AL 809 MIT 627 209 15 Updated Jan 18, 2025
  • MIDI Public

    Windows MIDI Services

    microsoft/MIDI’s past year of commit activity
    C++ 330 MIT 29 43 0 Updated Jan 18, 2025
  • playwright Public

    Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

    microsoft/playwright’s past year of commit activity
    TypeScript 68,564 Apache-2.0 3,792 690 13 Updated Jan 18, 2025
  • vcpkg-tool Public

    Components of microsoft/vcpkg's binary.

    microsoft/vcpkg-tool’s past year of commit activity
    C++ 445 MIT 290 0 47 Updated Jan 18, 2025
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