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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 29.9k

  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# 113k 6.7k

  4. terminal terminal Public

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

    C++ 96.2k 8.4k

  5. semantic-kernel semantic-kernel Public

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

    C# 22.5k 3.4k

Repositories

Showing 10 of 6597 repositories
  • accessibility-insights-windows Public

    Accessibility Insights for Windows

    microsoft/accessibility-insights-windows’s past year of commit activity
    C# 432 102 13 (1 issue needs help) 10 Updated Jan 1, 2025
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui’s past year of commit activity
    TypeScript 18,728 2,754 448 (9 issues need help) 161 Updated Jan 1, 2025
  • semantic-kernel Public

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

    microsoft/semantic-kernel’s past year of commit activity
    C# 22,485 MIT 3,370 290 27 Updated Jan 1, 2025
  • vscode-cpptools Public

    Official repository for the Microsoft C/C++ extension for VS Code.

    microsoft/vscode-cpptools’s past year of commit activity
    TypeScript 5,558 1,569 1,369 (130 issues need help) 10 Updated Jan 1, 2025
  • mscclpp Public

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

    microsoft/mscclpp’s past year of commit activity
    C++ 268 MIT 43 18 16 Updated Jan 1, 2025
  • STL Public

    MSVC's implementation of the C++ Standard Library.

    microsoft/STL’s past year of commit activity
    C++ 10,309 1,516 496 (4 issues need help) 22 Updated Jan 1, 2025
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,339 MIT 561 135 718 Updated Jan 1, 2025
  • presidio Public

    Context aware, pluggable and customizable data protection and de-identification SDK for text and images

    microsoft/presidio’s past year of commit activity
    Python 3,971 MIT 584 66 (12 issues need help) 11 Updated Jan 1, 2025
  • testfx Public

    MSTest framework and adapter

    microsoft/testfx’s past year of commit activity
    C# 820 MIT 262 186 24 Updated Jan 1, 2025
  • fabric-cicd Public

    Jumpstart CICD deployments in Microsoft Fabric

    microsoft/fabric-cicd’s past year of commit activity
    Python 3 MIT 0 0 0 Updated Jan 1, 2025
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