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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 39.4k

  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 7799 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,515 MIT 6,800 1,148 172 Updated Apr 25, 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# 1,003 MIT 292 185 14 Updated Apr 25, 2026
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 326 MIT 232 36 (3 issues need help) 22 Updated Apr 25, 2026
  • windows-rs Public

    Rust for Windows

    microsoft/windows-rs’s past year of commit activity
    Rust 12,130 Apache-2.0 611 42 8 Updated Apr 25, 2026
  • fast Public

    The adaptive interface system for modern web experiences.

    microsoft/fast’s past year of commit activity
    TypeScript 9,645 619 72 3 Updated Apr 25, 2026
  • Foundry-Local Public
    microsoft/Foundry-Local’s past year of commit activity
    TypeScript 2,228 297 88 42 Updated Apr 25, 2026
  • promptu Public

    Create shareable, clickable links that run AI prompts from anywhere directly in VSCode's Github Copilot Chat.

    microsoft/promptu’s past year of commit activity
    TypeScript 9 MIT 0 1 15 Updated Apr 25, 2026
  • garnet Public

    Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

    microsoft/garnet’s past year of commit activity
    C# 11,807 MIT 654 25 (13 issues need help) 32 Updated Apr 25, 2026
  • vcpkg Public

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

    microsoft/vcpkg’s past year of commit activity
    CMake 26,948 MIT 7,486 1,020 270 Updated Apr 25, 2026
  • litebox Public

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

    microsoft/litebox’s past year of commit activity
    Rust 2,564 MIT 121 84 45 Updated Apr 25, 2026
View all repositories

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