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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 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 7774 repositories
  • aspire Public

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

    microsoft/aspire’s past year of commit activity
    C# 5,832 MIT 865 1,718 (4 issues need help) 141 Updated Apr 17, 2026
  • teams-sdk Public

    SDK focused on building AI based applications and extensions for Microsoft Teams and other Bot Framework channels

    microsoft/teams-sdk’s past year of commit activity
    TypeScript 684 MIT 263 100 12 Updated Apr 17, 2026
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    microsoft/FluidFramework’s past year of commit activity
    TypeScript 4,921 MIT 573 57 132 Updated Apr 17, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,492 MIT 6,719 1,142 235 Updated Apr 17, 2026
  • atlas-design Public

    Atlas Design System serves the Microsoft Learn design & engineering teams. We are a CSS-first design system that aspires to beautiful, accessible, themeable, reading-direction-agnostic components.

    microsoft/atlas-design’s past year of commit activity
    SCSS 69 MIT 20 3 12 Updated Apr 17, 2026
  • openvmm Public

    Home of OpenVMM and OpenHCL

    microsoft/openvmm’s past year of commit activity
    Rust 1,825 MIT 183 209 (6 issues need help) 94 Updated Apr 17, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 183,962 MIT 39,250 5,000+ (501 issues need help) 1,734 Updated Apr 17, 2026
  • vcpkg Public

    C++ Library Manager for Windows, Linux, and MacOS

    microsoft/vcpkg’s past year of commit activity
    CMake 26,896 MIT 7,466 1,013 259 Updated Apr 17, 2026
  • site-admin Public

    An automation tool for tenant admins to use for automation of features/enhancements.

    microsoft/site-admin’s past year of commit activity
    TypeScript 13 MIT 6 8 0 Updated Apr 17, 2026
  • Docker-Provider Public

    Azure Monitor for Containers

    microsoft/Docker-Provider’s past year of commit activity
    Ruby 169 115 0 5 Updated Apr 17, 2026
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