Skip to content
@microsoft

Microsoft

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.

Pinned Loading

  1. vscode vscode Public

    Visual Studio Code

    TypeScript 182k 38.1k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 130k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.3k 4.5k

Repositories

Showing 10 of 7579 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,258 MIT 6,139 1,107 223 Updated Feb 22, 2026
  • duroxide-node Public
    microsoft/duroxide-node’s past year of commit activity
    JavaScript 4 MIT 0 1 1 Updated Feb 22, 2026
  • rushstack Public

    Monorepo for tools developed by the Rush Stack community

    microsoft/rushstack’s past year of commit activity
    TypeScript 6,415 670 874 (129 issues need help) 149 Updated Feb 22, 2026
  • duroxide-python Public
    microsoft/duroxide-python’s past year of commit activity
    Python 1 MIT 0 1 1 Updated Feb 22, 2026
  • RetrievalAttention Public

    Scalable long-context LLM decoding that leverages sparsity—by treating the KV cache as a vector storage system.

    microsoft/RetrievalAttention’s past year of commit activity
    Python 121 MIT 24 0 0 Updated Feb 22, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,980 MIT 38,078 5,000+ (529 issues need help) 1,177 Updated Feb 22, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 625 MIT 124 216 25 Updated Feb 22, 2026
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib’s past year of commit activity
    TypeScript 24 MIT 13 2 30 Updated Feb 22, 2026
  • STL Public

    MSVC's implementation of the C++ Standard Library.

    microsoft/STL’s past year of commit activity
    C++ 10,980 1,612 525 (3 issues need help) 17 Updated Feb 22, 2026
  • 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 1,646 MIT 520 487 (41 issues need help) 42 Updated Feb 22, 2026
View all repositories

Sponsoring

  • @wixtoolset
GitHub Sponsor Developer Program Member