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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 183k 38.5k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

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

    C# 130k 7.8k

  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# 27.4k 4.5k

Repositories

Showing 10 of 7654 repositories
  • waza Public

    CLI / Framework for Agent Skills - create, test, measure and improve skill quality and effectiveness

    microsoft/waza’s past year of commit activity
    Go 12 MIT 7 48 5 Updated Mar 13, 2026
  • SAIMOpt.jl Public

    Julia back-end for using the AOC/AIM optimization service

    microsoft/SAIMOpt.jl’s past year of commit activity
    Julia 7 MIT 2 0 0 Updated Mar 13, 2026
  • aitour26-BRK431-advanced-agent-development-with-copilot-studio Public
    microsoft/aitour26-BRK431-advanced-agent-development-with-copilot-studio’s past year of commit activity
    13 MIT 5 2 0 Updated Mar 13, 2026
  • ai-agent-evals Public

    Github action to evaluate AI agent applications using model as the judge, content safety and mathematical metrics.

    microsoft/ai-agent-evals’s past year of commit activity
    Python 69 MIT 16 8 9 Updated Mar 13, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,852 574 141 20 Updated Mar 13, 2026
  • vssdktestfx Public

    A testing framework for Visual Studio extensions

    microsoft/vssdktestfx’s past year of commit activity
    C# 19 MIT 9 2 2 Updated Mar 13, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,529 MIT 3,756 845 449 Updated Mar 13, 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 7,872 MIT 1,308 592 128 Updated Mar 13, 2026
  • go-images Public

    Docker image packaging and publishing for the Microsoft build of Go

    microsoft/go-images’s past year of commit activity
    PowerShell 21 BSD-3-Clause 8 0 1 Updated Mar 13, 2026
  • rushstack-websites Public

    Doc content for the Rush Stack websites.

    microsoft/rushstack-websites’s past year of commit activity
    TypeScript 36 CC-BY-4.0 81 45 (1 issue needs help) 7 Updated Mar 13, 2026
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