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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 183k 38.8k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

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

    C# 131k 7.8k

  4. terminal terminal Public

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

    C++ 102k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.6k 4.5k

Repositories

Showing 10 of 7697 repositories
  • vscode-cmake-tools Public

    CMake Tools provides a robust, convenient workflow for CMake projects in VS Code. It simplifies configurations with CMake presets, supports IntelliSense and built-in debugging for CMake scripts, and offers configurable tasks. Its customizable interface allows for efficient project control, while also simplifying test execution and monitoring.

    microsoft/vscode-cmake-tools’s past year of commit activity
    TypeScript 1,656 MIT 525 465 (41 issues need help) 47 Updated Mar 26, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,397 MIT 6,475 1,141 501 Updated Mar 26, 2026
  • fluentui-android Public
    microsoft/fluentui-android’s past year of commit activity
    Kotlin 670 MIT 119 1 2 Updated Mar 26, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,659 MIT 3,791 833 499 Updated Mar 26, 2026
  • compose-language-service Public

    Language service for Docker Compose documents

    microsoft/compose-language-service’s past year of commit activity
    TypeScript 106 MIT 10 14 (3 issues need help) 1 Updated Mar 26, 2026
  • vscode-cpptools Public

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

    microsoft/vscode-cpptools’s past year of commit activity
    TypeScript 6,063 1,706 1,370 (196 issues need help) 14 Updated Mar 26, 2026
  • aspire Public

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

    microsoft/aspire’s past year of commit activity
    C# 5,737 MIT 850 1,636 (6 issues need help) 114 Updated Mar 26, 2026
  • agentrc Public

    Get your repo ready for AI.

    microsoft/agentrc’s past year of commit activity
    TypeScript 696 MIT 64 6 7 Updated Mar 26, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 183,080 MIT 38,765 5,000+ (522 issues need help) 1,416 Updated Mar 26, 2026
  • keyborg Public

    A library that tracks browser keyboard focus state that powers tabster

    microsoft/keyborg’s past year of commit activity
    TypeScript 23 MIT 12 2 12 Updated Mar 26, 2026
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