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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 180k 37k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 127k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.9k 4.4k

Repositories

Showing 10 of 7453 repositories
  • fluentui-blazor Public

    Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

    microsoft/fluentui-blazor’s past year of commit activity
    C# 4,640 MIT 461 36 11 Updated Dec 24, 2025
  • jrtc-apps Public
    microsoft/jrtc-apps’s past year of commit activity
    Python 12 MIT 10 2 3 Updated Dec 24, 2025
  • lisa Public

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

    microsoft/lisa’s past year of commit activity
    Python 319 MIT 225 36 (3 issues need help) 33 Updated Dec 24, 2025
  • WPF-Samples Public

    Repository for WPF related samples

    microsoft/WPF-Samples’s past year of commit activity
    C# 5,569 MIT 3,275 68 (1 issue needs help) 4 Updated Dec 24, 2025
  • Dynamics365Commerce.ScaleUnit Public

    Repository for hosting the Dynamics 365 Commerce ScaleUnit Samples

    microsoft/Dynamics365Commerce.ScaleUnit’s past year of commit activity
    PowerShell 82 81 0 0 Updated Dec 24, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 179,951 MIT 37,020 5,000+ (563 issues need help) 932 Updated Dec 24, 2025
  • RD-Agent Public

    Research and development (R&D) is crucial for the enhancement of industrial productivity, especially in the AI era, where the core aspects of R&D are mainly focused on data and models. We are committed to automating these high-value generic R&D processes through R&D-Agent, which lets AI drive data-driven AI. đź”—https://aka.ms/RD-Agent-Tech-Report

    microsoft/RD-Agent’s past year of commit activity
    Python 9,923 MIT 1,102 64 65 Updated Dec 24, 2025
  • vsmarketplace Public

    Customer feedback and issue tracker repository for Visual Studio Marketplace

    microsoft/vsmarketplace’s past year of commit activity
    PowerShell 144 MIT 32 184 0 Updated Dec 24, 2025
  • msphpsql Public

    Microsoft Drivers for PHP for SQL Server

    microsoft/msphpsql’s past year of commit activity
    PHP 1,845 MIT 383 34 10 Updated Dec 24, 2025
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,522 MIT 602 178 513 Updated Dec 24, 2025
View all repositories

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