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Open source projects and samples from Microsoft

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 174k 33.4k

  2. TypeScript TypeScript Public

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

    TypeScript 105k 12.9k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 120k 7.1k

  4. terminal terminal Public

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

    C++ 98.8k 8.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 25.2k 4k

Repositories

Showing 10 of 6945 repositories
  • react-native-windows Public

    A framework for building native Windows apps with React.

    microsoft/react-native-windows’s past year of commit activity
  • UVAtlas Public

    UVAtlas isochart texture atlas

    microsoft/UVAtlas’s past year of commit activity
    C++ 879 MIT 154 16 2 Updated Jul 1, 2025
  • microsoft/vscode-azureapicenter’s past year of commit activity
    TypeScript 22 MIT 17 49 9 Updated Jul 1, 2025
  • mssql-python Public
    microsoft/mssql-python’s past year of commit activity
    C++ 116 8 11 7 Updated Jul 1, 2025
  • opensource.microsoft.com Public

    This is the source code to the mostly-static Microsoft Open Source site featuring projects, program information, and "get involved" pages. This site is published at opensource.microsoft.com, managed by the Microsoft Open Source Programs Office (OSPO).

    microsoft/opensource.microsoft.com’s past year of commit activity
    TypeScript 937 MIT 441 0 1 Updated Jul 1, 2025
  • sbom-tool Public

    The SBOM tool is a highly scalable and enterprise ready tool to create SPDX 2.2 compatible SBOMs for any variety of artifacts.

    microsoft/sbom-tool’s past year of commit activity
    C# 1,829 MIT 167 44 (3 issues need help) 8 Updated Jul 1, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 174,041 MIT 33,393 5,000+ (434 issues need help) 650 Updated Jul 1, 2025
  • semantic-kernel Public

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

    microsoft/semantic-kernel’s past year of commit activity
    C# 25,235 MIT 4,015 442 39 Updated Jul 1, 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. 🔗https://aka.ms/RD-Agent-Tech-Report

    microsoft/RD-Agent’s past year of commit activity
    Python 6,333 MIT 598 40 49 Updated Jul 1, 2025
  • Microsoft-Fabric-workload-development-sample Public

    Demonstrates how to implement a Microsoft Fabric workload in .net and typescript

    microsoft/Microsoft-Fabric-workload-development-sample’s past year of commit activity
    C# 45 27 1 1 Updated Jul 1, 2025