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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# 18.4k 5.8k

  2. roslyn roslyn Public

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

    C# 20.8k 4.4k

  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# 38.5k 13k

  4. winforms winforms Public

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

    C# 4.9k 1.1k

  5. docs docs Public

    This repository contains .NET Documentation.

    4.8k 6.1k

Repositories

Showing 10 of 281 repositories
  • aspnetcore Public

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

    dotnet/aspnetcore's past year of commit activity
    C# 38,497 MIT 12,950 3,859 (136 issues need help) 530 Updated Oct 31, 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# 2,915 578 374 (12 issues need help) 174 Updated Oct 31, 2026
  • android Public

    .NET for Android provides open-source bindings of the Android SDK for use with .NET managed languages such as C#

    dotnet/android's past year of commit activity
    C# 2,143 MIT 579 278 47 Updated Oct 31, 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# 5,552 MIT 1,460 1,699 (69 issues need help) 138 Updated Oct 31, 2026
  • maui Public

    .NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

    dotnet/maui's past year of commit activity
    C# 23,330 MIT 1,997 1,372 (2 issues need help) 70 Updated Oct 31, 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# 3,242 MIT 1,308 2,306 (25 issues need help) 177 Updated Oct 31, 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# 18,398 MIT 5,790 5,000+ (384 issues need help) 676 Updated Oct 31, 2026
  • performance Public

    This repo contains benchmarks used for testing the performance of all .NET Runtimes

    dotnet/performance's past year of commit activity
    F# 772 MIT 304 212 (8 issues need help) 57 Updated Oct 31, 2026
  • 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++ 1,331 MIT 405 273 (3 issues need help) 43 Updated Oct 31, 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# 3,271 MIT 919 228 (2 issues need help) 67 Updated Oct 31, 2026
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