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.NET Platform

Home of the open source .NET platform

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  1. runtime runtime Public

    .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

    C# 17k 5.2k

  2. roslyn roslyn Public

    The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

    C# 19.9k 4.2k

  3. aspnetcore aspnetcore Public

    ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

    C# 37.3k 10.5k

  4. winforms winforms Public

    Windows Forms is a .NET UI framework for building Windows desktop applications.

    C# 4.7k 1.1k

  5. docs docs Public

    This repository contains .NET Documentation.

    4.6k 6k

  6. aspire aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    C# 4.9k 704

Repositories

Showing 10 of 275 repositories
  • diagnostics Public

    This repository contains the source code for various .NET Core runtime diagnostic tools and documents.

    dotnet/diagnostics’s past year of commit activity
    C++ 1,291 MIT 383 291 (5 issues need help) 24 Updated Oct 21, 2025
  • macios Public

    .NET for iOS, Mac Catalyst, macOS, and tvOS provide open-source bindings of the Apple SDKs for use with .NET managed languages such as C#

    dotnet/macios’s past year of commit activity
    C# 2,751 547 451 (15 issues need help) 32 Updated Oct 21, 2025
  • arcade-services Public

    Arcade Engineering Services

    dotnet/arcade-services’s past year of commit activity
    C# 74 MIT 80 154 11 Updated Oct 21, 2025
  • runtime Public

    .NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

    dotnet/runtime’s past year of commit activity
    C# 17,021 MIT 5,201 5,000+ (469 issues need help) 329 Updated Oct 21, 2025
  • maui-samples Public

    Samples for .NET Multi-Platform App UI (.NET MAUI)

    dotnet/maui-samples’s past year of commit activity
    C# 3,508 MIT 1,466 61 10 Updated Oct 21, 2025
  • dotnet Public

    Home of .NET's Virtual Monolithic Repository which includes all the code needed to build the .NET SDK.

    dotnet/dotnet’s past year of commit activity
    C# 766 MIT 202 100 15 Updated Oct 21, 2025
  • fsharp Public

    The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio

    dotnet/fsharp’s past year of commit activity
    F# 4,181 MIT 832 1,244 (56 issues need help) 78 Updated Oct 21, 2025
  • extensions Public

    This repository contains a suite of libraries that provide facilities commonly needed when creating production-ready applications.

    dotnet/extensions’s past year of commit activity
    C# 3,044 MIT 839 182 (2 issues need help) 23 Updated Oct 21, 2025
  • MQTTnet Public

    MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.

    dotnet/MQTTnet’s past year of commit activity
    C# 4,829 MIT 1,138 165 15 Updated Oct 21, 2025
  • roslyn Public

    The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

    dotnet/roslyn’s past year of commit activity
    C# 19,931 MIT 4,187 5,000+ (713 issues need help) 617 Updated Oct 21, 2025
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