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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 38.3k

  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# 27.4k 4.5k

Repositories

Showing 10 of 7623 repositories
  • Agent-Framework-Samples Public

    Agent Framework Samples - showcasing ways in which agent framework can be utilized.

    microsoft/Agent-Framework-Samples’s past year of commit activity
    Jupyter Notebook 203 MIT 79 0 7 Updated Mar 4, 2026
  • oxidizer Public

    Oxidizer is a platform for Rust service development which bridges the gaps in the crate ecosystem to deliver a turn-key solution to enable the efficient creation of high-scale high-availability and high-performance services in Rust.

    microsoft/oxidizer’s past year of commit activity
    Rust 61 MIT 14 15 9 Updated Mar 4, 2026
  • Conversation-Knowledge-Mining-Solution-Accelerator Public

    This solution accelerator leverages Microsoft Foundry, Azure Content Understanding, Azure OpenAI Service, and Foundry IQ to enable organizations to derive insights from volumes of conversational data using generative AI. It offers key phrase extraction, topic modeling, and interactive chat experiences through an intuitive web interface.

    microsoft/Conversation-Knowledge-Mining-Solution-Accelerator’s past year of commit activity
    Python 423 MIT 246 1 5 Updated Mar 4, 2026
  • 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 14,552 MIT 4,769 0 1 Updated Mar 4, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 182,251 MIT 38,262 5,000+ (525 issues need help) 1,217 Updated Mar 4, 2026
  • MAPIStubLibrary Public
    microsoft/MAPIStubLibrary’s past year of commit activity
    C 35 MIT 20 2 3 Updated Mar 4, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,289 MIT 6,236 1,137 296 Updated Mar 4, 2026
  • olive-recipes Public
    microsoft/olive-recipes’s past year of commit activity
    Python 43 MIT 33 1 24 Updated Mar 4, 2026
  • side-channel-fuzzer Public

    Revizor - Hardware fuzzing for the age of speculation

    microsoft/side-channel-fuzzer’s past year of commit activity
    Python 179 MIT 47 3 1 Updated Mar 4, 2026
  • powerbi-powershell Public

    PowerShell community for Microsoft PowerBI. Here you will find resources and source for PowerShell modules targeting PowerBI.

    microsoft/powerbi-powershell’s past year of commit activity
    C# 396 MIT 131 171 7 Updated Mar 4, 2026
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