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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 Public

    Visual Studio Code

    TypeScript 170k 31.7k

  2. TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 118k 6.9k

  4. terminal Public

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

    C++ 97.7k 8.5k

  5. semantic-kernel Public

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

    C# 24.1k 3.7k

Repositories

Showing 10 of 6759 repositories
  • SeerAttention Public

    SeerAttention: Learning Intrinsic Sparse Attention in Your LLMs

    Python 97 MIT 7 2 2 Updated Apr 20, 2025
  • BotFunctionalTestingService Public

    A service for end-to-end (functional) testing of a bot. Programmatically simulate a user’s back-and-forth conversation with a bot, to test whether the bot behaves as expected.

    JavaScript 15 MIT 12 2 6 Updated Apr 20, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,266 MIT 4,984 910 444 Updated Apr 20, 2025
  • WindowsAppSDK Public

    The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

    C++ 3,984 MIT 348 452 27 Updated Apr 20, 2025
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    C++ 117 MIT 28 3 (1 issue needs help) 2 Updated Apr 20, 2025
  • AzureTRE Public

    An accelerator to help organizations build Trusted Research Environments on Azure.

    Python 203 MIT 161 284 (5 issues need help) 21 Updated Apr 20, 2025
  • AzureTRE-Deployment Public template
    Shell 13 MIT 26 4 2 Updated Apr 20, 2025
  • semantic-kernel Public

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

    C# 24,092 MIT 3,726 415 42 Updated Apr 20, 2025
  • vscode-cmake-tools Public

    CMake Tools provides a robust, convenient workflow for CMake projects in VS Code. It simplifies configurations with CMake presets, supports IntelliSense and built-in debugging for CMake scripts, and offers configurable tasks. Its customizable interface allows for efficient project control, while also simplifying test execution and monitoring.

    TypeScript 1,545 MIT 477 432 (41 issues need help) 12 Updated Apr 20, 2025
  • PSRule-vscode Public

    A Visual Studio Code extension for PSRule.

    TypeScript 51 MIT 20 0 4 Updated Apr 20, 2025
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