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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 182k 37.9k

  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# 27.2k 4.5k

Repositories

Showing 10 of 7571 repositories
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,576 MIT 603 178 545 Updated Feb 14, 2026
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,585 MIT 338 1,001 (2 issues need help) 50 Updated Feb 14, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 621 MIT 123 216 23 Updated Feb 14, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,236 MIT 6,082 1,105 537 Updated Feb 14, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,453 MIT 1,646 0 168 Updated Feb 14, 2026
  • lisa Public

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

    microsoft/lisa’s past year of commit activity
    Python 323 MIT 225 35 (3 issues need help) 32 Updated Feb 14, 2026
  • SimpleL7Proxy Public

    Container based solution to do performance based proxy requests to APIM backends.

    microsoft/SimpleL7Proxy’s past year of commit activity
    C# 13 MIT 8 0 9 Updated Feb 14, 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# 11,737 MIT 634 21 (12 issues need help) 19 Updated Feb 14, 2026
  • teams.net Public

    a suite of packages used to build on the Teams Platform.

    microsoft/teams.net’s past year of commit activity
    C# 26 MIT 16 27 27 Updated Feb 14, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 31,083 MIT 1,611 934 22 Updated Feb 14, 2026
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