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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# 17.6k 5.3k

  2. roslyn roslyn Public

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

    C# 20.2k 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# 37.7k 10.6k

  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 6.1k

  6. aspire aspire Public

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

    C# 5.4k 799

Repositories

Showing 10 of 277 repositories
  • 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# 945 MIT 244 124 41 Updated Feb 10, 2026
  • sdk Public

    Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

    dotnet/sdk’s past year of commit activity
    C# 3,055 MIT 1,199 2,662 (23 issues need help) 184 Updated Feb 10, 2026
  • msbuild Public

    The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

    dotnet/msbuild’s past year of commit activity
    C# 5,483 MIT 1,404 1,428 (75 issues need help) 79 Updated Feb 10, 2026
  • runtime Public

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

    dotnet/runtime’s past year of commit activity
    C# 17,556 MIT 5,330 5,000+ (421 issues need help) 369 Updated Feb 10, 2026
  • arcade-services Public

    Home to .NET's dependency flow system & tooling

    dotnet/arcade-services’s past year of commit activity
    C# 80 MIT 78 157 12 Updated Feb 10, 2026
  • 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# 3,113 MIT 849 214 (2 issues need help) 24 Updated Feb 10, 2026
  • macios-devtools Public

    Support libraries for xamarin-macios

    dotnet/macios-devtools’s past year of commit activity
    C# 26 27 0 1 Updated Feb 10, 2026
  • 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# 2,819 555 463 (15 issues need help) 33 Updated Feb 10, 2026
  • 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# 4,252 MIT 847 1,260 (56 issues need help) 77 Updated Feb 10, 2026
  • spark Public

    .NET for Apache® Spark™ makes Apache Spark™ easily accessible to .NET developers.

    dotnet/spark’s past year of commit activity
    C# 2,096 MIT 330 171 (4 issues need help) 28 Updated Feb 10, 2026
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