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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 29.8k

  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 6.7k

  4. terminal terminal Public

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

    C++ 96.2k 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 6593 repositories
  • UFO Public

    A UI-Focused Agent for Windows OS Interaction.

    microsoft/UFO’s past year of commit activity
    Python 8,063 MIT 1,071 14 4 Updated Dec 25, 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++ 16,816 MIT 3,837 344 (10 issues need help) 38 Updated Dec 25, 2024
  • ALAppExtensions Public

    Repository for collaboration on Microsoft AL application add-on and localization extensions for Microsoft Dynamics 365 Business Central.

    microsoft/ALAppExtensions’s past year of commit activity
    AL 803 MIT 625 177 11 Updated Dec 25, 2024
  • PowerToys Public

    Windows system utilities to maximize productivity

    microsoft/PowerToys’s past year of commit activity
    C# 112,893 MIT 6,653 5,000+ (182 issues need help) 65 Updated Dec 25, 2024
  • Kusto-Query-Language Public

    Kusto Query Language is a simple and productive language for querying Big Data.

    microsoft/Kusto-Query-Language’s past year of commit activity
    C# 568 Apache-2.0 104 1 0 Updated Dec 25, 2024
  • MIDI Public

    Windows MIDI Services

    microsoft/MIDI’s past year of commit activity
    C++ 327 MIT 28 48 0 Updated Dec 25, 2024
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 339 MIT 170 16 31 Updated Dec 25, 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 18,703 2,752 448 (9 issues need help) 164 Updated Dec 25, 2024
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 352 MIT 319 179 59 Updated Dec 25, 2024
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 213 MIT 179 33 (3 issues need help) 26 Updated Dec 25, 2024
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