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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 176k 34.8k

  2. TypeScript TypeScript Public

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

    TypeScript 106k 13k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 123k 7.3k

  4. terminal terminal Public

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

    C++ 99.9k 8.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.1k 4.2k

Repositories

Showing 10 of 7058 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,683 MIT 5,375 1,083 471 Updated Sep 6, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 17,771 MIT 3,430 857 304 Updated Sep 6, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 176,438 MIT 34,822 5,000+ (437 issues need help) 722 Updated Sep 6, 2025
  • 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# 927 MIT 285 217 36 Updated Sep 6, 2025
  • mssql-python Public
    microsoft/mssql-python’s past year of commit activity
    Python 170 20 18 34 Updated Sep 6, 2025
  • vcpkg Public

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

    microsoft/vcpkg’s past year of commit activity
    CMake 25,527 MIT 7,038 1,088 282 Updated Sep 6, 2025
  • poml Public

    Prompt Orchestration Markup Language

    microsoft/poml’s past year of commit activity
    TypeScript 4,269 MIT 213 17 11 Updated Sep 6, 2025
  • monaco-editor Public

    A browser based code editor

    microsoft/monaco-editor’s past year of commit activity
    JavaScript 43,846 MIT 3,856 682 (102 issues need help) 60 Updated Sep 6, 2025
  • arc-switch Public

    ARC enabled switches

    microsoft/arc-switch’s past year of commit activity
    Go 2 MIT 2 0 1 Updated Sep 6, 2025
  • PSRule Public

    Validate infrastructure as code (IaC) and objects using PowerShell rules.

    microsoft/PSRule’s past year of commit activity
    C# 436 MIT 60 63 (2 issues need help) 6 Updated Sep 6, 2025
View all repositories

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