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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 194k 44.4k

  2. TypeScript TypeScript Public

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

    Go 112k 15.5k

  3. PowerToys PowerToys Public

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

    C 140k 8.7k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.9k

Repositories

Showing 10 of 8417 repositories
  • 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# 12,075 MIT 719 47 (11 issues need help) 47 Updated Nov 2, 2026
  • aspire-skills Public

    Official Aspire skills and plugins for AI coding agents to initialize, wire, orchestrate, monitor, and deploy distributed apps.

    microsoft/aspire-skills's past year of commit activity
    JavaScript 93 MIT 12 17 28 Updated Nov 2, 2026
  • fluentui-blazor Public

    Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

    microsoft/fluentui-blazor's past year of commit activity
    C# 4,862 MIT 495 47 6 Updated Nov 2, 2026
  • durabletask-python Public

    A Durable Task Python SDK compatible with the Durable Task Scheduler

    microsoft/durabletask-python's past year of commit activity
    Python 40 MIT 36 19 5 Updated Nov 2, 2026
  • power-platform-skills Public

    A plugin marketplace for GitHub Copilot and other AI agents that provides Power Platform development plugins, including reusable skills, agents, and commands for building and deploying solutions.

    microsoft/power-platform-skills's past year of commit activity
    JavaScript 1,104 MIT 223 129 24 Updated Nov 2, 2026
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime's past year of commit activity
    C++ 22,212 MIT 4,397 915 959 Updated Nov 2, 2026
  • azure-container-linux Public Forked from flatcar/scripts

    Azure Container Linux (ACL): Immutable, Optimized Container Host OS for AKS 

    microsoft/azure-container-linux's past year of commit activity
    Shell 17 MIT 121 5 10 Updated Nov 2, 2026
  • azure-container-linux-mantle Public Forked from flatcar/mantle

    Mantle: ACL Test and Release Tooling

    microsoft/azure-container-linux-mantle's past year of commit activity
    Go 6 MIT 43 0 5 Updated Nov 2, 2026
  • jbig2_rs Public

    JBIG2 decoder implementation in Rust

    microsoft/jbig2_rs's past year of commit activity
    Rust 0 MIT 0 1 0 Updated Nov 2, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql's past year of commit activity
    TypeScript 1,918 620 245 18 Updated Nov 2, 2026
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