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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 38.9k

  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# 131k 7.8k

  4. terminal terminal Public

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

    C++ 102k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.6k 4.5k

Repositories

Showing 10 of 7718 repositories
  • SdnDiagnostics Public

    SdnDiagnostics is a PowerShell module that is designed to simplify the diagnostic troubleshooting and data collection process when troubleshooting issues related to Microsoft Software Defined Network.

    microsoft/SdnDiagnostics’s past year of commit activity
    PowerShell 32 MIT 3 17 6 Updated Apr 1, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,415 MIT 6,521 1,141 384 Updated Apr 1, 2026
  • zerotrustassessment Public

    Repository for the Zero Trust Assessment project

    microsoft/zerotrustassessment’s past year of commit activity
    HTML 312 MIT 137 30 5 Updated Apr 1, 2026
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 423 MIT 349 197 59 Updated Apr 1, 2026
  • content-processing-solution-accelerator Public

    Programmatically extract data and apply schemas to unstructured documents across text-based and multi-modal content using Azure AI Foundry, Azure OpenAI, Azure AI Content Understanding, and Cosmos DB.

    microsoft/content-processing-solution-accelerator’s past year of commit activity
    Python 196 MIT 176 0 31 Updated Apr 1, 2026
  • testfx Public

    This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx’s past year of commit activity
    C# 999 MIT 291 177 27 Updated Apr 1, 2026
  • mcp-on-windows-samples Public

    Samples for MCP servers on Windows

    microsoft/mcp-on-windows-samples’s past year of commit activity
    JavaScript 21 MIT 6 5 11 Updated Apr 1, 2026
  • vstest Public

    Visual Studio Test Platform is the runner and engine that powers test explorer and vstest.console.

    microsoft/vstest’s past year of commit activity
    C# 955 MIT 345 56 17 Updated Apr 1, 2026
  • Foundry-Local Public
    microsoft/Foundry-Local’s past year of commit activity
    TypeScript 2,065 280 80 28 Updated Apr 1, 2026
  • DirectXTK12 Public

    The DirectX Tool Kit (aka DirectXTK12) is a collection of helper classes for writing DirectX 12 code in C++

    microsoft/DirectXTK12’s past year of commit activity
    C++ 1,707 MIT 465 12 3 Updated Apr 1, 2026
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