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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 30k

  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# 114k 6.7k

  4. terminal terminal Public

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

    C++ 96.4k 8.4k

  5. semantic-kernel semantic-kernel Public

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

    C# 22.6k 3.4k

Repositories

Showing 10 of 6601 repositories
  • usersim Public
    microsoft/usersim’s past year of commit activity
    C++ 80 MIT 23 28 2 Updated Jan 11, 2025
  • genaiscript Public

    Automatable GenAI Scripting

    microsoft/genaiscript’s past year of commit activity
    TypeScript 2,142 MIT 132 48 (1 issue needs help) 4 Updated Jan 11, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 8,900 MIT 4,693 839 196 Updated Jan 11, 2025
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 213 MIT 180 33 (3 issues need help) 28 Updated Jan 11, 2025
  • vs-streamjsonrpc Public

    The StreamJsonRpc library offers JSON-RPC 2.0 over any .NET Stream, WebSocket, or Pipe. With bonus support for request cancellation, client proxy generation, and more.

    microsoft/vs-streamjsonrpc’s past year of commit activity
    C# 768 152 44 (1 issue needs help) 1 Updated Jan 11, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 15,251 MIT 2,994 2,468 519 Updated Jan 11, 2025
  • aurora Public

    Implementation of the Aurora model for Earth system forecasting

    microsoft/aurora’s past year of commit activity
    Python 275 40 9 1 Updated Jan 11, 2025
  • BitBLAS Public

    BitBLAS is a library to support mixed-precision matrix multiplications, especially for quantized LLM deployment.

    microsoft/BitBLAS’s past year of commit activity
    Python 493 MIT 37 21 (5 issues need help) 1 Updated Jan 11, 2025
  • torchgeo Public

    TorchGeo: datasets, samplers, transforms, and pre-trained models for geospatial data

    microsoft/torchgeo’s past year of commit activity
    Python 3,150 MIT 382 99 (12 issues need help) 45 Updated Jan 11, 2025
  • ntosebpfext Public

    eBPF-For-Windows extension to provide access to Windows kernel functionality

    microsoft/ntosebpfext’s past year of commit activity
    C 20 MIT 11 10 2 Updated Jan 11, 2025
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