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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 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 7603 repositories
  • 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 4,291 MIT 552 162 (10 issues need help) 20 Updated Feb 27, 2026
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,582 MIT 604 179 500 Updated Feb 27, 2026
  • Multi-Agent-Custom-Automation-Engine-Solution-Accelerator Public

    The Multi-Agent Custom Automation Engine Solution Accelerator is an AI-driven system that manages a group of AI agents to accomplish tasks based on user input. Powered by Microsoft Agent Framework, Azure Foundry, Azure Cosmos DB, and infrastructure services, it provides a reference application, allowing you to hit the ground running.

    microsoft/Multi-Agent-Custom-Automation-Engine-Solution-Accelerator’s past year of commit activity
    Python 718 MIT 500 9 35 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 10,267 MIT 6,184 1,117 342 Updated Feb 27, 2026
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,605 MIT 341 1,010 (2 issues need help) 48 Updated Feb 27, 2026
  • globe Public

    Globalization utilities

    microsoft/globe’s past year of commit activity
    TypeScript 30 MIT 13 0 1 Updated Feb 27, 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 618 MIT 89 6 2 Updated Feb 27, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 182,107 MIT 38,166 5,000+ (524 issues need help) 1,197 Updated Feb 27, 2026
  • hermes-windows Public Forked from facebook/hermes

    Hermes is a small and lightweight JavaScript engine optimized for running React Native apps..

    microsoft/hermes-windows’s past year of commit activity
    JavaScript 74 MIT 821 22 0 Updated Feb 27, 2026
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    microsoft/FluidFramework’s past year of commit activity
    TypeScript 4,915 MIT 567 26 122 Updated Feb 27, 2026
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