.NET is a cross-platform runtime and libraries, for cloud, IoT and desktop apps. It includes a garbage collector, JIT compiler, primitive data types and class libraries.

Yet another implementation of computer language benchmarks game

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

.NET Aspire

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

Microsoft's OWIN implementation, the Katana project

A reference .NET application implementing an eCommerce site

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

Official C# support for Visual Studio Code

This repo contains tools and tracks policy violations for the dotnet org.

Next generation API for .NET

.NET APIs for commonly used programming patterns and utilities, such as dependency injection, logging, and configuration.

Provides a set of libraries which add service API versioning to ASP.NET Web API, OData with ASP.NET Web API, and ASP.NET Core.

Cloud Native application framework for .NET

Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

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

Tools that provide common build infrastructure for multiple .NET Foundation projects.

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

A collection of Dev Container Features managed by Dev Container spec maintainers. See https://github.com/devcontainers/feature-starter to publish your own

Web content for the development containers specification.

A collection of JSON schema files including full API

An experimental project that attempts to write a fully native IIS module using C# NativeAOT

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