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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 166k 29.7k

  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# 113k 6.6k

  4. terminal terminal Public

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

    C++ 96.1k 8.4k

  5. semantic-kernel semantic-kernel Public

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

    C# 22.4k 3.4k

Repositories

Showing 10 of 6592 repositories
  • terminal Public

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

    microsoft/terminal’s past year of commit activity
    C++ 96,148 MIT 8,370 1,548 (489 issues need help) 47 Updated Dec 22, 2024
  • connected-workbooks Public

    Microsoft backed, Excel advanced xlsx workbook generation JavaScript library

    microsoft/connected-workbooks’s past year of commit activity
    TypeScript 57 MIT 20 0 6 Updated Dec 22, 2024
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 8,837 MIT 4,623 852 217 Updated Dec 22, 2024
  • msquic Public

    Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

    microsoft/msquic’s past year of commit activity
    C 4,100 MIT 541 160 (16 issues need help) 54 Updated Dec 22, 2024
  • Oryx Public

    Build your repo automatically.

    microsoft/Oryx’s past year of commit activity
    C# 775 175 90 72 Updated Dec 22, 2024
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 109 MIT 27 3 (1 issue needs help) 2 Updated Dec 22, 2024
  • verified-storage Public

    Storage systems with verified correctness properties

    microsoft/verified-storage’s past year of commit activity
    Rust 31 MIT 15 0 1 Updated Dec 22, 2024
  • 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++ 16,805 MIT 3,841 345 (10 issues need help) 38 Updated Dec 22, 2024
  • PowerStig Public

    STIG Automation

    microsoft/PowerStig’s past year of commit activity
    PowerShell 553 115 68 (4 issues need help) 0 Updated Dec 22, 2024
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui’s past year of commit activity
    TypeScript 18,690 2,752 445 (9 issues need help) 160 Updated Dec 22, 2024
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