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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 vscode Public

    Visual Studio Code

    TypeScript 170k 31.8k

  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 7k

  4. terminal terminal Public

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

    C++ 97.9k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.2k 3.8k

Repositories

Showing 10 of 6780 repositories
  • azure_arc Public

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

    microsoft/azure_arc’s past year of commit activity
    HTML 784 CC-BY-4.0 577 2 2 Updated Apr 27, 2025
  • vsts-extension-retrospectives Public

    An Azure DevOps extension for efficient retrospectives

    microsoft/vsts-extension-retrospectives’s past year of commit activity
    TypeScript 192 MIT 84 214 (3 issues need help) 10 Updated Apr 27, 2025
  • accessibility-insights-service Public

    Accessibility Insights Service

    microsoft/accessibility-insights-service’s past year of commit activity
    TypeScript 71 53 0 2 Updated Apr 27, 2025
  • LightGBM Public

    A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.

    microsoft/LightGBM’s past year of commit activity
    C++ 17,159 MIT 3,875 387 (10 issues need help) 42 Updated Apr 27, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,287 MIT 5,000 898 136 Updated Apr 27, 2025
  • recipe-tool Public

    Experimental tool for creating "recipes" to drive automations

    microsoft/recipe-tool’s past year of commit activity
    Python 0 MIT 0 0 1 Updated Apr 27, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 170,455 MIT 31,808 5,000+ (400 issues need help) 539 Updated Apr 27, 2025
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 117 MIT 28 3 (1 issue needs help) 1 Updated Apr 27, 2025
  • pxt Public

    Microsoft MakeCode (PXT - Programming eXperience Toolkit)

    microsoft/pxt’s past year of commit activity
    TypeScript 2,150 MIT 595 198 (2 issues need help) 54 Updated Apr 27, 2025
  • planetary-computer-apis Public

    Planetary Computer APIs

    microsoft/planetary-computer-apis’s past year of commit activity
    Python 112 MIT 29 15 8 Updated Apr 27, 2025
View all repositories
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