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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 174k 33.3k

  2. TypeScript TypeScript Public

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

    TypeScript 105k 12.9k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 120k 7.1k

  4. terminal terminal Public

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

    C++ 98.7k 8.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 25.1k 4k

Repositories

Showing 10 of 6929 repositories
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 20,975 Apache-2.0 650 96 37 Updated Jun 24, 2025
  • teams.ts Public

    a suite of packages used to build on the Teams Platform.

    microsoft/teams.ts’s past year of commit activity
    TypeScript 17 MIT 11 73 (1 issue needs help) 9 Updated Jun 24, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,467 MIT 5,168 946 223 Updated Jun 24, 2025
  • TypeAgent Public

    Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 367 MIT 58 1 2 Updated Jun 24, 2025
  • onnxscript Public

    ONNX Script enables developers to naturally author ONNX functions and models using a subset of Python.

    microsoft/onnxscript’s past year of commit activity
    Python 358 MIT 69 222 (1 issue needs help) 42 Updated Jun 24, 2025
  • injectorppforrust Public

    Injectorpp is a powerful tool designed to facilitate the writing of unit tests without the need to introduce traits solely for testing purposes. It streamlines the testing process by providing a seamless and efficient way to abstract dependencies, ensuring that your code remains clean and maintainable.

    microsoft/injectorppforrust’s past year of commit activity
    Rust 288 MIT 7 6 (2 issues need help) 1 Updated Jun 24, 2025
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    microsoft/FluidFramework’s past year of commit activity
    TypeScript 4,831 MIT 549 20 71 Updated Jun 24, 2025
  • SandDance Public

    Visually explore, understand, and present your data.

    microsoft/SandDance’s past year of commit activity
    TypeScript 6,498 MIT 531 96 (21 issues need help) 1 Updated Jun 24, 2025
  • mcp-dotnet-samples Public

    A comprehensive set of samples of creating and using MCP servers and clients with .NET

    microsoft/mcp-dotnet-samples’s past year of commit activity
    Bicep 32 MIT 9 0 0 Updated Jun 24, 2025
  • libHttpClient Public

    libHttpClient provides a platform abstraction layer for HTTP and WebSocket, and is designed for use by the Microsoft Xbox Live Service API (XSAPI) [https://github.com/Microsoft/xbox-live-api] and game devs. If you want to contribute to the project, please talk to us to avoid overlap.

    microsoft/libHttpClient’s past year of commit activity
    C++ 286 MIT 130 8 2 Updated Jun 24, 2025
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