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Open source projects and samples from Microsoft
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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 165k 29.7k

  2. TypeScript TypeScript Public

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

    TypeScript 101k 12.6k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 112k 6.6k

  4. terminal terminal Public

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

    C++ 96.1k 8.4k

  5. semantic-kernel semantic-kernel Public

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

    C# 22.3k 3.3k

Repositories

Showing 10 of 6583 repositories
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 336 MIT 169 17 23 Updated Dec 14, 2024
  • Olive Public

    Olive: Simplify ML Model Finetuning, Conversion, Quantization, and Optimization for CPUs, GPUs and NPUs.

    microsoft/Olive’s past year of commit activity
    Python 1,649 MIT 174 52 3 Updated Dec 14, 2024
  • qlib Public

    Qlib is an AI-oriented quantitative investment platform that aims to realize the potential, empower research, and create value using AI technologies in quantitative investment, from exploring ideas to implementing productions. Qlib supports diverse machine learning modeling paradigms. including supervised learning, market dynamics modeling, and RL.

    microsoft/qlib’s past year of commit activity
    Python 15,730 MIT 2,672 224 (2 issues need help) 26 Updated Dec 14, 2024
  • wil Public

    Windows Implementation Library

    microsoft/wil’s past year of commit activity
    C++ 2,601 MIT 239 90 13 Updated Dec 14, 2024
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 165,279 MIT 29,662 5,000+ (393 issues need help) 503 Updated Dec 14, 2024
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 14,976 MIT 2,956 2,409 516 Updated Dec 14, 2024
  • win-net-test Public

    Networking related test tools for Windows. Relevant for anyone who is interested in Windows networking.

    microsoft/win-net-test’s past year of commit activity
    C 25 MIT 5 3 2 Updated Dec 14, 2024
  • LightGBM Public

    A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.

    microsoft/LightGBM’s past year of commit activity
    C++ 16,773 MIT 3,837 348 (10 issues need help) 35 Updated Dec 14, 2024
  • vscode-cpptools Public

    Official repository for the Microsoft C/C++ extension for VS Code.

    microsoft/vscode-cpptools’s past year of commit activity
    TypeScript 5,549 1,566 1,425 (132 issues need help) 12 Updated Dec 14, 2024
  • autogen Public

    A programming framework for agentic AI 🤖 (PyPi: autogen-agentchat)

    microsoft/autogen’s past year of commit activity
    Python 35,805 CC-BY-4.0 5,181 589 (5 issues need help) 39 Updated Dec 14, 2024
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