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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 193k 43k

  2. TypeScript TypeScript Public

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

    Go 111k 14.6k

  3. PowerToys PowerToys Public

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

    C 139k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.6k 4.8k

Repositories

Showing 10 of 8298 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 192,841 MIT 43,047 5,000+ (472 issues need help) 2,669 Updated Sep 24, 2026
  • foundry-local Public
    microsoft/foundry-local's past year of commit activity
    C++ 2,561 371 85 35 Updated Sep 24, 2026
  • mssql-python Public

    Microsoft Python Driver for SQL Server

    microsoft/mssql-python's past year of commit activity
    Python 475 60 34 (1 issue needs help) 37 Updated Sep 24, 2026
  • intelligent-terminal Public

    A fork of Windows Terminal with native agent integration, right in your command line.

    microsoft/intelligent-terminal's past year of commit activity
    C++ 2,025 MIT 162 61 64 Updated Sep 24, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime's past year of commit activity
    C++ 21,925 MIT 4,250 829 902 Updated Sep 24, 2026
  • oxidizer Public

    Oxidizer is a platform for Rust service development which bridges the gaps in the crate ecosystem to deliver a turn-key solution to enable the efficient creation of high-scale high-availability and high-performance services in Rust.

    microsoft/oxidizer's past year of commit activity
    Rust 175 MIT 30 2 43 Updated Sep 24, 2026
  • data-factory-testing-framework Public

    A stand-alone test framework that allows to write unit tests for Data Factory pipelines on Microsoft Fabric, Azure Data Factory and Azure Synapse Analytics.

    microsoft/data-factory-testing-framework's past year of commit activity
    Python 135 MIT 43 15 (2 issues need help) 9 Updated Sep 24, 2026
  • vcpkg Public

    C++ Library Manager for Windows, Linux, and MacOS

    microsoft/vcpkg's past year of commit activity
    CMake 27,481 MIT 7,736 846 246 Updated Sep 24, 2026
  • power-platform-skills Public

    A plugin marketplace for Claude Code/GitHub Copilot that provides Power Platform development plugins, including reusable skills, agents, and commands for building and deploying solutions.

    microsoft/power-platform-skills's past year of commit activity
    JavaScript 918 MIT 186 100 39 Updated Sep 24, 2026
  • microsoft-ui-reactor Public

    Reactor is an experimental set of extensions to WinUI

    microsoft/microsoft-ui-reactor's past year of commit activity
    C# 652 MIT 55 75 14 Updated Sep 24, 2026
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