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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 170k 31.6k

  2. TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal Public

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

    C++ 97.7k 8.5k

  5. semantic-kernel Public

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

    C# 24k 3.7k

Repositories

Showing 10 of 6754 repositories
  • TechExcel-Modernize-applications-to-be-AI-ready Public
    CSS 3 MIT 17 6 1 Updated Apr 15, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,250 MIT 4,980 909 439 Updated Apr 15, 2025
  • azure-linux-image-tools Public
    Go 9 MIT 2 0 7 Updated Apr 15, 2025
  • onnxruntime Public

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

    C++ 16,279 MIT 3,157 2,625 575 Updated Apr 15, 2025
  • kubevirt Public Forked from kubevirt/kubevirt

    Kubernetes Virtualization API and runtime in order to define and manage virtual machines.

    Go 1 Apache-2.0 1,432 0 5 Updated Apr 15, 2025
  • msquic Public

    Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

    C 4,269 MIT 557 176 (14 issues need help) 55 Updated Apr 15, 2025
  • verified-storage Public

    Storage systems with verified correctness properties

    Rust 44 MIT 15 0 1 Updated Apr 15, 2025
  • qsharp Public

    Azure Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas

    Rust 664 MIT 120 142 (1 issue needs help) 11 Updated Apr 15, 2025
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    TypeScript 4,800 MIT 546 21 100 Updated Apr 15, 2025
  • xdp-for-windows Public

    XDP speeds up networking on Windows

    C 395 MIT 45 60 2 Updated Apr 15, 2025
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