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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 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# 27.8k 4.6k

Repositories

Showing 10 of 7785 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,501 MIT 6,770 1,155 569 Updated Apr 22, 2026
  • Spartan2 Public

    Spartan: High-speed zkSNARKs without trusted setup

    microsoft/Spartan2’s past year of commit activity
    Rust 133 MIT 41 5 10 Updated Apr 22, 2026
  • microsoft-foundry-for-vscode Public
    microsoft/microsoft-foundry-for-vscode’s past year of commit activity
    80 MIT 64 26 10 Updated Apr 22, 2026
  • fast Public

    The adaptive interface system for modern web experiences.

    microsoft/fast’s past year of commit activity
    TypeScript 9,643 618 80 6 Updated Apr 22, 2026
  • sbi Public

    Secure Base Image recommendations

    microsoft/sbi’s past year of commit activity
    Go 2 MIT 0 1 0 Updated Apr 22, 2026
  • FeatureManagement-Dotnet Public

    Microsoft.FeatureManagement provides standardized APIs for enabling feature flags within applications. Utilize this library to secure a consistent experience when developing applications that use patterns such as beta access, rollout, dark deployments, and more.

    microsoft/FeatureManagement-Dotnet’s past year of commit activity
    C# 1,169 MIT 126 43 7 Updated Apr 22, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 184,107 MIT 39,320 5,000+ (501 issues need help) 1,785 Updated Apr 22, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 31,941 MIT 1,690 902 54 Updated Apr 22, 2026
  • testfx Public

    This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx’s past year of commit activity
    C# 1,004 MIT 292 172 11 Updated Apr 22, 2026
  • dynwinrt Public

    Use WinRT methods dynamically

    microsoft/dynwinrt’s past year of commit activity
    Rust 4 MIT 0 0 0 Updated Apr 22, 2026
View all repositories

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