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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 7776 repositories
  • edge-ai Public

    Production-ready Infrastructure as Code, applications, pluggable components, and PlatformOps toolchains that empower organizations to achieve more with cloud and edge AI-powered solutions. Built by friendly geeks, for every team that needs edge solutions to achieve real production results.

    microsoft/edge-ai’s past year of commit activity
    HCL 71 MIT 35 67 (1 issue needs help) 5 Updated Apr 19, 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 2 Updated Apr 19, 2026
  • mimalloc Public

    mimalloc is a compact general purpose allocator with excellent performance.

    microsoft/mimalloc’s past year of commit activity
    C 12,727 MIT 1,081 387 32 Updated Apr 19, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire’s past year of commit activity
    C# 5,834 MIT 866 1,722 (4 issues need help) 145 Updated Apr 19, 2026
  • AOCoptimizer.jl Public

    Optimization solver backend for analog optical computer

    microsoft/AOCoptimizer.jl’s past year of commit activity
    Julia 14 MIT 3 1 1 Updated Apr 19, 2026
  • SAIMOpt.jl Public

    Julia back-end for using the AOC/AIM optimization service

    microsoft/SAIMOpt.jl’s past year of commit activity
    Julia 9 MIT 2 0 0 Updated Apr 19, 2026
  • amplifier-bundle-superpowers Public

    Superpowers bundle for the Amplifier project

    microsoft/amplifier-bundle-superpowers’s past year of commit activity
    Python 3 MIT 6 0 4 Updated Apr 19, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,493 MIT 6,729 1,147 321 Updated Apr 19, 2026
  • tgrep Public

    Trigram-indexed grep with a client/server architecture for fast regex search in large codebases locally

    microsoft/tgrep’s past year of commit activity
    Rust 7 MIT 2 0 1 Updated Apr 19, 2026
  • amplifier-module-loop-streaming Public

    Reference implementation for a streaming loop module for the Amplifier project

    microsoft/amplifier-module-loop-streaming’s past year of commit activity
    Python 4 MIT 8 0 5 Updated Apr 19, 2026
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