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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 170k 31.7k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 118k 6.9k

  4. terminal terminal Public

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

    C++ 97.8k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.1k 3.7k

Repositories

Showing 10 of 6761 repositories
  • Agents-for-python Public

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

    microsoft/Agents-for-python’s past year of commit activity
    Python 13 MIT 2 15 0 Updated Apr 21, 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.

    microsoft/garnet’s past year of commit activity
    C# 10,983 MIT 568 16 (11 issues need help) 14 Updated Apr 21, 2025
  • 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 341 MIT 64 233 (1 issue needs help) 32 Updated Apr 21, 2025
  • react-native-windows Public

    A framework for building native Windows apps with React.

    microsoft/react-native-windows’s past year of commit activity
    C++ 16,725 1,157 676 (10 issues need help) 43 Updated Apr 21, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,272 MIT 4,991 904 371 Updated Apr 21, 2025
  • DevSkim Public

    DevSkim is a set of IDE plugins, language analyzers, and rules that provide security "linting" capabilities.

    microsoft/DevSkim’s past year of commit activity
    C# 936 MIT 116 58 (7 issues need help) 3 Updated Apr 21, 2025
  • vscode-cpptools Public

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

    microsoft/vscode-cpptools’s past year of commit activity
    TypeScript 5,772 1,586 1,377 (163 issues need help) 10 Updated Apr 21, 2025
  • durabletask-protobuf Public

    Protobuf definitions for the Durable Task framework

    microsoft/durabletask-protobuf’s past year of commit activity
    6 MIT 10 0 1 Updated Apr 21, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 170,275 MIT 31,688 5,000+ (401 issues need help) 544 Updated Apr 21, 2025
  • AI_Agents_Hackathon Public

    A free virtual hackathon for building AI agents with Microsoft and Azure.

    microsoft/AI_Agents_Hackathon’s past year of commit activity
    194 MIT 59 23 0 Updated Apr 21, 2025
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