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Open source projects and samples from Microsoft
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  • Redmond, WA
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  • opensource@microsoft.com
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 184k 39.3k

  2. TypeScript TypeScript Public

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

    TypeScript 109k 13.4k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C# 132k 7.9k

  4. terminal terminal Public

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

    C++ 103k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.7k 4.6k

Repositories

Showing 10 of 7777 repositories
  • ai-agent-runbooks Public

    Go-to hub for building and deploying production-ready AI Agent solutions

    microsoft/ai-agent-runbooks’s past year of commit activity
    9 MIT 1 0 0 Updated Apr 20, 2026
  • mscclpp Public

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

    microsoft/mscclpp’s past year of commit activity
    C++ 501 MIT 92 10 19 Updated Apr 20, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 31,914 MIT 1,682 904 57 Updated Apr 20, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 184,027 MIT 39,276 5,000+ (500 issues need help) 1,752 Updated Apr 20, 2026
  • react-native-test-app Public

    react-native-test-app provides an app for all supported platforms as a package

    microsoft/react-native-test-app’s past year of commit activity
    TypeScript 669 MIT 99 14 (1 issue needs help) 3 Updated Apr 20, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,899 MIT 3,834 828 525 Updated Apr 20, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire’s past year of commit activity
    C# 5,835 MIT 865 1,724 (4 issues need help) 149 Updated Apr 20, 2026
  • azure-pipelines-extensions Public

    Collection of all RM and deployment extensions

    microsoft/azure-pipelines-extensions’s past year of commit activity
    PowerShell 305 MIT 427 146 (7 issues need help) 48 Updated Apr 20, 2026
  • Agent365-devTools Public

    The Microsoft Agent 365 DevTools CLI is a command-line interface tool designed to streamline the development, deployment, and management of Microsoft Agent 365 applications.

    microsoft/Agent365-devTools’s past year of commit activity
    C# 33 MIT 14 2 11 Updated Apr 20, 2026
  • Foundry-Local Public
    microsoft/Foundry-Local’s past year of commit activity
    TypeScript 2,195 291 89 40 Updated Apr 20, 2026
View all repositories

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