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Open source projects and samples from Microsoft

Open Source at Microsoft

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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 Public

    Visual Studio Code

    TypeScript 174k 33.6k

  2. TypeScript Public

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

    TypeScript 105k 12.9k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 121k 7.2k

  4. terminal Public

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

    C++ 98.9k 8.6k

  5. semantic-kernel Public

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

    C# 25.4k 4k

Repositories

Showing 10 of 6955 repositories
  • TypeAgent Public

    Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

    TypeScript 398 MIT 64 1 0 Updated Jul 13, 2025
  • ApplicationInsights-Java Public

    Application Insights for Java

    Java 306 207 49 23 Updated Jul 13, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,526 MIT 5,218 964 118 Updated Jul 13, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    TypeScript 7,042 MIT 776 0 30 Updated Jul 13, 2025
  • autogen Public

    A programming framework for agentic AI 🤖 PyPi: autogen-agentchat Discord: https://aka.ms/autogen-discord Office Hour: https://aka.ms/autogen-officehour

    Python 47,179 CC-BY-4.0 7,179 390 (21 issues need help) 77 Updated Jul 13, 2025
  • edit Public

    We all edit.

    Rust 11,639 MIT 505 80 34 Updated Jul 13, 2025
  • mstic Public

    Microsoft Threat Intelligence

    Python 185 CC-BY-4.0 36 4 0 Updated Jul 13, 2025
  • MIDI Public

    Windows MIDI Services

    C++ 402 MIT 38 57 4 Updated Jul 13, 2025
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    TypeScript 1,707 508 355 10 Updated Jul 13, 2025
  • finops-toolkit Public

    Tools and resources to help you adopt and implement FinOps capabilities that automate and extend the Microsoft Cloud.

    PowerShell 421 MIT 159 209 (32 issues need help) 24 Updated Jul 13, 2025