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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 181k 37.7k

  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 help you customize Windows and streamline everyday tasks

    C# 129k 7.6k

  4. terminal terminal Public

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

    C++ 102k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.1k 4.4k

Repositories

Showing 10 of 7532 repositories
  • git Public Forked from git-for-windows/git

    A fork of Git containing Microsoft-specific patches.

    microsoft/git’s past year of commit activity
    C 869 28,605 17 5 Updated Jan 30, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,189 MIT 37,652 5,000+ (539 issues need help) 1,014 Updated Jan 30, 2026
  • Omex Public

    Shared components used by the Omex team to build scalable and highly available distributed systems

    microsoft/Omex’s past year of commit activity
    C# 77 MIT 39 9 10 Updated Jan 30, 2026
  • Microsoft.Unity.Analyzers Public

    Roslyn analyzers for Unity game developers

    microsoft/Microsoft.Unity.Analyzers’s past year of commit activity
    C# 776 MIT 83 5 (1 issue needs help) 0 Updated Jan 30, 2026
  • agentsleague Public

    A high-energy developer challenge that brings an e-sports twist to agentic AI with live AI Battles, asynchronous community challenges, GitHub-based submissions and more!

    microsoft/agentsleague’s past year of commit activity
    25 MIT 7 0 0 Updated Jan 30, 2026
  • HeurAgenix Public
    microsoft/HeurAgenix’s past year of commit activity
    Python 73 MIT 19 1 0 Updated Jan 30, 2026
  • react-native-gallery Public

    This repo contains the react-native Gallery app created by Microsoft

    microsoft/react-native-gallery’s past year of commit activity
    TypeScript 247 MIT 56 104 22 Updated Jan 30, 2026
  • vscode-cosmosdb Public

    Azure Cosmos DB extension for VS Code

    microsoft/vscode-cosmosdb’s past year of commit activity
    TypeScript 190 MIT 78 66 11 Updated Jan 30, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,188 MIT 5,974 1,097 483 Updated Jan 30, 2026
  • coe-starter-kit Public
    microsoft/coe-starter-kit’s past year of commit activity
    TypeScript 916 238 115 78 Updated Jan 30, 2026
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