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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 162k 28.6k

  2. TypeScript TypeScript Public

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

    TypeScript 100k 12.4k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 109k 6.4k

  4. terminal terminal Public

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

    C++ 94.9k 8.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 21.3k 3.1k

Repositories

Showing 10 of 6373 repositories
  • fluentui-apple Public

    UIKit and AppKit controls for building native Microsoft experiences

    microsoft/fluentui-apple’s past year of commit activity
    Swift 895 MIT 165 24 6 Updated Sep 11, 2024
  • BotFramework-WebChat Public

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

    microsoft/BotFramework-WebChat’s past year of commit activity
    HTML 1,582 MIT 1,527 373 48 Updated Sep 11, 2024
  • pxt Public

    Microsoft MakeCode (PXT - Programming eXperience Toolkit)

    microsoft/pxt’s past year of commit activity
    TypeScript 2,071 MIT 578 167 (2 issues need help) 42 Updated Sep 11, 2024
  • netperf Public

    Automation system for executing networking performance tests

    microsoft/netperf’s past year of commit activity
    JavaScript 33 MIT 11 8 3 Updated Sep 11, 2024
  • FeatureManagement-Python Public

    This library provides standardized APIs for enabling feature flags within python applications. Utilize this library to secure a consistent experience when developing applications that use patterns such as beta access, rollout, dark deployments, and more.

    microsoft/FeatureManagement-Python’s past year of commit activity
    Python 12 MIT 7 0 0 Updated Sep 11, 2024
  • SAIMOpt.jl Public

    Julia back-end for using the AOC/AIM optimization service

    microsoft/SAIMOpt.jl’s past year of commit activity
    Julia 0 MIT 0 0 0 Updated Sep 11, 2024
  • devhome Public

    The new Dev Home experience for Windows!

    microsoft/devhome’s past year of commit activity
    C# 3,554 MIT 311 581 18 Updated Sep 11, 2024
  • TypeAgent Public

    Sample code that explores an architecture for using TypeChat to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 15 MIT 2 0 0 Updated Sep 11, 2024
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 94 MIT 26 0 1 Updated Sep 11, 2024
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 14,070 MIT 2,838 2,252 503 Updated Sep 11, 2024
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