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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 183k 38.4k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

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

    C# 130k 7.8k

  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 7651 repositories
  • apm-action Public

    GitHub Action for Agent Package Manager

    microsoft/apm-action’s past year of commit activity
    TypeScript 4 MIT 0 0 1 Updated Mar 11, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,312 MIT 6,311 1,138 652 Updated Mar 11, 2026
  • model-mondays Public

    Model Mondays is a weekly livestream with Discord office hours - to help you navigate the fast-moving ecosystem of generative AI models with 5-minute roundups and 15-minute spotlight sessions. Build your model IQ - and make informed model choices!

    microsoft/model-mondays’s past year of commit activity
    Jupyter Notebook 247 MIT 44 0 1 Updated Mar 11, 2026
  • MIEngine Public

    The Visual Studio MI Debug Engine ("MIEngine") provides an open-source Visual Studio Debugger extension that works with MI-enabled debuggers such as gdb and lldb.

    microsoft/MIEngine’s past year of commit activity
    C# 846 MIT 226 159 (1 issue needs help) 11 Updated Mar 11, 2026
  • project-pulse Public

    Project Pulse

    microsoft/project-pulse’s past year of commit activity
    TypeScript 5 MIT 0 0 12 Updated Mar 11, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 182,577 MIT 38,426 5,000+ (525 issues need help) 1,241 Updated Mar 11, 2026
  • injectorppforrust Public

    Injectorpp is a powerful tool designed to facilitate the writing of unit tests without the need to introduce traits solely for testing purposes. It streamlines the testing process by providing a seamless and efficient way to abstract dependencies, ensuring that your code remains clean and maintainable.

    microsoft/injectorppforrust’s past year of commit activity
    Rust 391 MIT 15 19 (2 issues need help) 1 Updated Mar 11, 2026
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,619 MIT 340 1,017 (2 issues need help) 59 Updated Mar 11, 2026
  • FLAML Public

    A fast library for AutoML and tuning. Join our Discord: https://discord.gg/Cppx2vSPVP.

    microsoft/FLAML’s past year of commit activity
    Jupyter Notebook 4,298 MIT 553 162 (10 issues need help) 20 Updated Mar 11, 2026
  • iq-series Public

    The IQ Series: Foundry IQ is designed to help developers and data practitioners understand Foundry IQ as Microsoft’s intelligence layer for knowledge-centric AI systems covering how retrieval, reasoning, synthesis, and orchestration come together under a single model-driven experience.

    microsoft/iq-series’s past year of commit activity
    Jupyter Notebook 1 MIT 1 0 0 Updated Mar 11, 2026
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