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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 194k 45.2k

  2. TypeScript TypeScript Public

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

    Go 112k 16.4k

  3. PowerToys PowerToys Public

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

    C 140k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.8k

Repositories

Showing 10 of 8396 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 194,263 MIT 45,246 5,000+ (465 issues need help) 3,043 Updated Oct 25, 2026
  • PyRIT Public

    The Python Risk Identification Tool for generative AI (PyRIT) is an open source framework built to empower security professionals and engineers to proactively identify risks in generative AI systems.

    microsoft/PyRIT's past year of commit activity
    Python 4,686 MIT 980 90 (14 issues need help) 63 Updated Oct 25, 2026
  • typeagent-py Public

    Structured RAG: ingest, index, query

    microsoft/typeagent-py's past year of commit activity
    Python 893 MIT 75 6 2 Updated Oct 25, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL's past year of commit activity
    C++ 34,200 MIT 1,871 957 74 Updated Oct 25, 2026
  • win32metadata Public

    Tooling to generate metadata for Win32 APIs in the Windows SDK.

    microsoft/win32metadata's past year of commit activity
    C++ 1,506 157 177 (2 issues need help) 25 Updated Oct 25, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT's past year of commit activity
    C# 668 MIT 135 237 11 Updated Oct 25, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,238 MIT 11,327 1,386 4,291 Updated Oct 25, 2026
  • fluentui-charting-contrib Public

    Contributor tools and guides for fluentui charting library

    microsoft/fluentui-charting-contrib's past year of commit activity
    TypeScript 30 MIT 17 2 77 Updated Oct 25, 2026
  • fabric-jumpstart Public

    Fabric Jumpstart provides high-quality accelerators, demos, and tutorials that install directly into your workspace in minutes.

    microsoft/fabric-jumpstart's past year of commit activity
    Jupyter Notebook 59 MIT 35 21 40 Updated Oct 25, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps's past year of commit activity
    AL 714 MIT 482 280 521 Updated Oct 25, 2026
View all repositories

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