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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.

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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 195k 44.4k

  2. TypeScript TypeScript Public

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

    Go 112k 15.4k

  3. PowerToys PowerToys Public

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

    C 141k 8.7k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.9k

Repositories

Showing 10 of 8429 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,282 MIT 11,906 1,305 5,000+ Updated Nov 4, 2026
  • amplifier-acp-slack Public

    Slack conversation and presentation adapter for ACP-compatible agents

    microsoft/amplifier-acp-slack's past year of commit activity
    Rust 0 MIT 0 0 1 Updated Nov 4, 2026
  • agent-framework-go Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Go.

    microsoft/agent-framework-go's past year of commit activity
    Go 660 MIT 67 15 14 Updated Nov 4, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps's past year of commit activity
    AL 720 MIT 489 301 541 Updated Nov 4, 2026
  • MHA Public

    Message Header Analyzer Add-in For Outlook

    microsoft/MHA's past year of commit activity
    TypeScript 388 MIT 66 18 (1 issue needs help) 4 Updated Nov 4, 2026
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    microsoft/FluidFramework's past year of commit activity
    TypeScript 4,950 MIT 590 62 169 Updated Nov 4, 2026
  • BCQuality Public

    Quality skills and knowledge for Business Central development. The shared bar for humans and agents alike.

    microsoft/BCQuality's past year of commit activity
    AL 241 MIT 142 9 18 Updated Nov 4, 2026
  • qdk-chemistry Public

    A high-performance toolkit for quantum and classical chemistry calculations.

    microsoft/qdk-chemistry's past year of commit activity
    C++ 77 MIT 39 35 33 Updated Nov 4, 2026
  • semantic-kernel Public

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

    microsoft/semantic-kernel's past year of commit activity
    C# 28,730 MIT 4,853 84 233 Updated Nov 4, 2026
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework's past year of commit activity
    Python 14,530 MIT 2,574 665 259 Updated Nov 4, 2026