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Open Source at Microsoft

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Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

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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 31.3k

  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++ 97.6k 8.5k

  5. semantic-kernel Public

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

    C# 23.8k 3.7k

Repositories

Showing 10 of 6737 repositories
  • pxt Public

    Microsoft MakeCode (PXT - Programming eXperience Toolkit)

    TypeScript 2,140 MIT 596 197 (2 issues need help) 54 Updated Apr 4, 2025
  • accessibility-insights-service Public

    Accessibility Insights Service

    TypeScript 71 53 3 12 Updated Apr 4, 2025
  • vsts-extension-retrospectives Public

    An Azure DevOps extension for efficient retrospectives

    TypeScript 190 MIT 84 230 (4 issues need help) 9 Updated Apr 4, 2025
  • Docker-Provider Public

    Azure Monitor for Containers

    Ruby 151 111 1 8 Updated Apr 4, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,228 MIT 4,945 887 122 Updated Apr 4, 2025
  • onnxscript Public

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

    Python 330 MIT 62 231 (4 issues need help) 36 Updated Apr 4, 2025
  • terraform-provider-fabric Public

    Terraform Provider for Microsoft Fabric

    Go 50 MPL-2.0 10 23 7 Updated Apr 4, 2025
  • vscode-win32-app-container-tokens Public

    Native win32 Node.js addon to retrieve named pipes from app contains

    Rust 4 MIT 4 0 0 Updated Apr 4, 2025
  • verified-storage Public

    Storage systems with verified correctness properties

    Rust 37 MIT 15 0 1 Updated Apr 4, 2025
  • onnxruntime Public

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

    C++ 16,169 MIT 3,133 2,627 572 Updated Apr 4, 2025