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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 166k 29.8k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.6k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 113k 6.7k

  4. terminal terminal Public

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

    C++ 96.2k 8.4k

  5. semantic-kernel semantic-kernel Public

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

    C# 22.4k 3.4k

Repositories

Showing 10 of 6594 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 8,848 MIT 4,638 849 121 Updated Dec 26, 2024
  • verified-storage Public

    Storage systems with verified correctness properties

    microsoft/verified-storage’s past year of commit activity
    Rust 31 MIT 15 0 1 Updated Dec 26, 2024
  • mimalloc Public

    mimalloc is a compact general purpose allocator with excellent performance.

    microsoft/mimalloc’s past year of commit activity
    C 10,735 MIT 886 285 39 Updated Dec 26, 2024
  • onnxscript Public

    ONNX Script enables developers to naturally author ONNX functions and models using a subset of Python.

    microsoft/onnxscript’s past year of commit activity
    Python 294 MIT 56 226 (5 issues need help) 28 Updated Dec 26, 2024
  • PowerStig Public

    STIG Automation

    microsoft/PowerStig’s past year of commit activity
    PowerShell 553 115 68 (4 issues need help) 0 Updated Dec 26, 2024
  • autogen Public

    A programming framework for agentic AI 🤖 PyPi: autogen-agentchat Discord: https://aka.ms/autogen-discord Office Hour: https://aka.ms/autogen-officehour

    microsoft/autogen’s past year of commit activity
    Jupyter Notebook 36,380 CC-BY-4.0 5,257 594 (5 issues need help) 41 Updated Dec 26, 2024
  • CLRInstrumentationEngine Public

    The CLR Instrumentation Engine is a cooperation profiler that allows running multiple profiling extensions in the same process.

    microsoft/CLRInstrumentationEngine’s past year of commit activity
    C++ 94 48 65 (2 issues need help) 6 Updated Dec 26, 2024
  • qsharp Public

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

    microsoft/qsharp’s past year of commit activity
    Rust 488 MIT 97 131 (1 issue needs help) 5 Updated Dec 26, 2024
  • m365-renovate-config Public

    Shared Renovate configuration for M365 projects

    microsoft/m365-renovate-config’s past year of commit activity
    JavaScript 8 MIT 5 1 2 Updated Dec 26, 2024
  • graphrag Public

    A modular graph-based Retrieval-Augmented Generation (RAG) system

    microsoft/graphrag’s past year of commit activity
    Python 21,015 MIT 2,062 163 39 Updated Dec 26, 2024
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