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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 180k 37.2k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 127k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27k 4.4k

Repositories

Showing 10 of 7458 repositories
  • fluentui-contrib Public

    Monorepo for contributor extension packages to Fluent UI

    microsoft/fluentui-contrib’s past year of commit activity
    TypeScript 49 MIT 56 28 (1 issue needs help) 28 Updated Jan 6, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,084 MIT 5,867 1,080 337 Updated Jan 6, 2026
  • Docker-Provider Public

    Azure Monitor for Containers

    microsoft/Docker-Provider’s past year of commit activity
    Ruby 165 115 0 5 Updated Jan 6, 2026
  • Agents-M365Copilot Public

    Microsoft 365 Copilot APIs Client Libraries

    microsoft/Agents-M365Copilot’s past year of commit activity
    C# 47 MIT 18 5 3 Updated Jan 6, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 30,785 MIT 1,576 949 22 Updated Jan 6, 2026
  • trident Public

    Azure Linux servicing agent - security focused install, provisioning, and update

    microsoft/trident’s past year of commit activity
    Rust 19 MIT 15 15 12 Updated Jan 6, 2026
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 18,876 MIT 3,629 831 376 Updated Jan 6, 2026
  • mcp Public

    Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-powered data access and tool integration

    microsoft/mcp’s past year of commit activity
    C# 2,391 MIT 334 212 (27 issues need help) 56 Updated Jan 6, 2026
  • Agent365-dotnet Public
    microsoft/Agent365-dotnet’s past year of commit activity
    C# 12 MIT 8 3 7 Updated Jan 6, 2026
  • fabric-terraform-quickstart Public

    Examples for using the Terraform Provider for Microsoft Fabric

    microsoft/fabric-terraform-quickstart’s past year of commit activity
    HCL 41 MIT 14 0 2 Updated Jan 6, 2026
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