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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 7564 repositories
  • service-fabric-dotnet Public

    Reliable Services and Reliable Actors are Service Fabric application frameworks for building highly-scalable distributed cloud applications.

    microsoft/service-fabric-dotnet’s past year of commit activity
    C# 273 113 38 3 Updated Feb 13, 2026
  • terminal Public

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

    microsoft/terminal’s past year of commit activity
    C++ 101,802 MIT 9,069 1,647 (497 issues need help) 54 Updated Feb 13, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,836 571 134 18 Updated Feb 13, 2026
  • PowerToys Public

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

    microsoft/PowerToys’s past year of commit activity
    C# 129,649 MIT 7,708 5,000+ (210 issues need help) 110 Updated Feb 13, 2026
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,582 MIT 337 1,002 (2 issues need help) 52 Updated Feb 13, 2026
  • Agents-for-net Public

    This repository is for active development of the Microsoft 365 Agent SDK components for .NET

    microsoft/Agents-for-net’s past year of commit activity
    C# 143 MIT 68 43 15 Updated Feb 13, 2026
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,576 MIT 603 177 545 Updated Feb 13, 2026
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework’s past year of commit activity
    Python 7,157 MIT 1,144 589 121 Updated Feb 13, 2026
  • playwright Public

    Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

    microsoft/playwright’s past year of commit activity
    TypeScript 82,528 Apache-2.0 5,123 574 14 Updated Feb 13, 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# 11,738 MIT 633 19 (12 issues need help) 19 Updated Feb 12, 2026
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