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Open source projects and samples from Microsoft
README.md

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 Public

    Visual Studio Code

    TypeScript 170k 31.8k

  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# 118k 7k

  4. 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 Public

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

    C# 24.2k 3.8k

Repositories

Showing 10 of 6778 repositories
  • verified-storage Public

    Storage systems with verified correctness properties

    Rust 44 MIT 15 0 1 Updated Apr 26, 2025
  • onnxruntime Public

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

    C++ 16,400 MIT 3,176 2,654 559 Updated Apr 26, 2025
  • azure_arc Public

    Automated Azure Arc, Azure Local, IoT, and Kubernetes environments

    HTML 781 CC-BY-4.0 576 2 2 Updated Apr 26, 2025
  • Deploy-Your-AI-Application-In-Production Public

    A deployment of a secure, extensible and integrated environment for running AI Foundry workloads in Production. It simplifies the process of including essential Azure services necessary to run mission-critical AI applications and adhere to Microsoft Well Architected Framework recommendations.

    Bicep 11 MIT 10 0 1 Updated Apr 26, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,286 MIT 4,999 896 130 Updated Apr 26, 2025
  • BotFramework-WebChat Public

    A highly-customizable web-based client for Azure Bot Services.

    HTML 1,669 MIT 1,576 395 57 Updated Apr 26, 2025
  • pxt Public

    Microsoft MakeCode (PXT - Programming eXperience Toolkit)

    TypeScript 2,150 MIT 595 198 (2 issues need help) 54 Updated Apr 26, 2025
  • onnxruntime-genai Public

    Generative AI extensions for onnxruntime

    C++ 695 MIT 175 101 29 Updated Apr 26, 2025
  • onnxscript Public

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

    Python 344 MIT 64 233 (1 issue needs help) 31 Updated Apr 26, 2025
  • ebpf-for-windows Public

    eBPF implementation that runs on top of Windows

    C 3,172 MIT 249 249 (125 issues need help) 31 Updated Apr 26, 2025
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