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

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

The official repo for the design of the C# programming language

Full Modular Monolith application with Domain-Driven Design approach.

Sample ASP.NET Core 8.0 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment model. Download the eBook PDF from docs folder.

The Reactive Extensions for .NET

C# pure functional programming framework - come and get declarative!

EventStoreDB, the event-native database. Designed for Event Sourcing, Event-Driven, and Microservices architectures

Unreal Engine .NET 6 integration

Dafny is a verification-aware programming language

This repo contains CoreRT, an experimental .NET Core runtime optimized for AOT (ahead of time compilation) scenarios, with the accompanying compiler toolchain.

Microsoft Build Accelerator

The Boo Programming Language.

Sodium - Functional Reactive Programming (FRP) Library for multiple languages

A port of Clojure to the CLR, part of the Clojure project

Matt Stall's C# compiler in C# http://blogs.msdn.com/b/jmstall/archive/2005/02/06/368192.aspx