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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 182k 38.2k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 130k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.3k 4.5k

Repositories

Showing 10 of 7604 repositories
  • mcp-for-beginners Public

    This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

    microsoft/mcp-for-beginners’s past year of commit activity
    Jupyter Notebook 14,504 MIT 4,755 0 4 Updated Feb 27, 2026
  • 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 11,403 MIT 1,310 69 66 Updated Feb 27, 2026
  • UnifiedRedisPlatform.Core Public

    Unified Redis Platform is a solution for consolidating multiple Redis Caches to a single cluster. The cluster can be shared by multiple apps but provides proper isolation to each application. This is the client-side core SDK for Unified Redis Platform.

    microsoft/UnifiedRedisPlatform.Core’s past year of commit activity
    C# 13 MIT 1 1 9 Updated Feb 27, 2026
  • apm Public

    Agent Package Manager

    microsoft/apm’s past year of commit activity
    Python 256 MIT 19 12 3 Updated Feb 27, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,519 MIT 1,674 0 190 Updated Feb 27, 2026
  • vscode-react-native Public

    VSCode extension for React Native - supports debugging and editor integration

    microsoft/vscode-react-native’s past year of commit activity
    TypeScript 2,720 281 5 4 Updated Feb 27, 2026
  • Data-Science-For-Beginners Public

    10 Weeks, 20 Lessons, Data Science for All!

    microsoft/Data-Science-For-Beginners’s past year of commit activity
    Jupyter Notebook 34,013 MIT 6,966 0 1 Updated Feb 27, 2026
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    microsoft/retina’s past year of commit activity
    Go 3,097 MIT 274 133 (16 issues need help) 47 Updated Feb 27, 2026
  • Foundry-Local Public
    microsoft/Foundry-Local’s past year of commit activity
    TypeScript 1,998 258 75 25 Updated Feb 27, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,268 MIT 6,185 1,119 357 Updated Feb 27, 2026
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