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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 193k 42.1k

  2. TypeScript TypeScript Public

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

    Go 111k 13.8k

  3. PowerToys PowerToys Public

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

    C 139k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.6k 4.8k

Repositories

Showing 10 of 8303 repositories
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox's past year of commit activity
    Rust 2,694 MIT 142 123 32 Updated Sep 15, 2026
  • microsoft-ui-reactor Public

    Reactor is an experimental set of extensions to WinUI

    microsoft/microsoft-ui-reactor's past year of commit activity
    C# 642 MIT 54 74 15 Updated Sep 15, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 192,552 MIT 42,146 5,000+ (475 issues need help) 2,650 Updated Sep 15, 2026
  • power-platform-skills Public

    A plugin marketplace for Claude Code/GitHub Copilot that provides Power Platform development plugins, including reusable skills, agents, and commands for building and deploying solutions.

    microsoft/power-platform-skills's past year of commit activity
    JavaScript 869 MIT 178 84 34 Updated Sep 15, 2026
  • rushstack Public

    Monorepo for tools developed by the Rush Stack community

    microsoft/rushstack's past year of commit activity
    TypeScript 6,494 708 911 (124 issues need help) 184 Updated Sep 15, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,075 MIT 9,548 1,290 2,204 Updated Sep 15, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime's past year of commit activity
    C++ 21,852 MIT 4,229 842 889 Updated Sep 15, 2026
  • qdk-chemistry Public

    A high-performance toolkit for quantum and classical chemistry calculations.

    microsoft/qdk-chemistry's past year of commit activity
    C++ 73 MIT 34 39 40 Updated Sep 15, 2026
  • vscode-copilot-vision Public

    Exploration into leveraging vision capabilities of an LLM

    microsoft/vscode-copilot-vision's past year of commit activity
    TypeScript 78 MIT 19 14 3 Updated Sep 15, 2026
  • vscode-loc Public

    VS Code Localization Extension

    microsoft/vscode-loc's past year of commit activity
    749 399 78 37 Updated Sep 15, 2026
View all repositories

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