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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 184k 39.3k

  2. TypeScript TypeScript Public

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

    TypeScript 109k 13.4k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C# 132k 7.9k

  4. terminal terminal Public

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

    C++ 103k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.7k 4.6k

Repositories

Showing 10 of 7775 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,493 MIT 6,725 1,143 287 Updated Apr 18, 2026
  • BC-Bench Public

    Inspired by SWE-Bench, for Business Central (AL) ecosystem.

    microsoft/BC-Bench’s past year of commit activity
    Jupyter Notebook 22 MIT 7 1 5 Updated Apr 18, 2026
  • TypeAgent Public

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

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 683 MIT 94 9 3 Updated Apr 18, 2026
  • 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# 4,712 MIT 468 33 8 Updated Apr 18, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 183,984 MIT 39,261 5,000+ (501 issues need help) 1,733 Updated Apr 18, 2026
  • 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 19,935 2,877 406 (5 issues need help) 279 Updated Apr 18, 2026
  • terraform-provider-fabric Public

    Terraform Provider for Microsoft Fabric

    microsoft/terraform-provider-fabric’s past year of commit activity
    Go 113 MPL-2.0 21 54 13 Updated Apr 18, 2026
  • PTVS Public

    Python Tools for Visual Studio

    microsoft/PTVS’s past year of commit activity
    C# 2,569 Apache-2.0 672 152 101 Updated Apr 18, 2026
  • durabletask-js Public

    A Durable Task JavaScript SDK compatible with Azure Durable Task Scheduler

    microsoft/durabletask-js’s past year of commit activity
    TypeScript 12 MIT 10 32 5 Updated Apr 18, 2026
  • fast Public

    The adaptive interface system for modern web experiences.

    microsoft/fast’s past year of commit activity
    TypeScript 9,641 618 81 6 Updated Apr 18, 2026
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