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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 Public

    Visual Studio Code

    TypeScript 172k 32.4k

  2. TypeScript Public

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

    TypeScript 105k 12.8k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 119k 7k

  4. terminal Public

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

    C++ 98.2k 8.6k

  5. semantic-kernel Public

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

    C# 24.5k 3.8k

Repositories

Showing 10 of 6850 repositories
  • vscode-python-environments Public

    VS Code extension for Python environment and package management

    TypeScript 39 MIT 8 104 (1 issue needs help) 9 Updated May 20, 2025
  • DecodingSuperUsage Public

    Toolkit to help you analyze what super users of Copilot do differently, learn repeatable patterns, and drive adoption across the company.

    2 MIT 0 1 0 Updated May 20, 2025
  • 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.

    C# 11,126 MIT 569 19 (11 issues need help) 16 Updated May 20, 2025
  • Docker-Provider Public

    Azure Monitor for Containers

    Ruby 154 113 1 9 Updated May 20, 2025
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    TypeScript 4,820 MIT 548 17 96 Updated May 20, 2025
  • WindowsAppSDK-Samples Public

    Feature samples for the Windows App SDK

    C++ 813 MIT 260 32 27 Updated May 20, 2025
  • Agents-for-net Public

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

    C# 87 MIT 48 22 9 Updated May 20, 2025
  • onnxruntime Public

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

    C++ 16,638 MIT 3,221 2,689 558 Updated May 20, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,351 MIT 5,057 975 198 Updated May 20, 2025
  • mimalloc Public

    mimalloc is a compact general purpose allocator with excellent performance.

    C 11,409 MIT 942 327 35 Updated May 20, 2025
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