Stars
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology
.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.
The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
The official repo for the design of the C# programming language
Mono open source ECMA CLI, C# and .NET implementation.
A .NET library that makes it easier to create beautiful console applications.
Cross Platform Terminal UI toolkit for .NET
The automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, Refit turns your REST API into a live interface.
Stride (formerly Xenko), a free and open-source cross-platform C# game engine.
C# pure functional programming framework - come and get declarative!
Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]
Welcome to the home of the Hot Chocolate GraphQL server for .NET, the Strawberry Shake GraphQL client for .NET and Nitro the awesome Monaco based GraphQL IDE.
Simple, powerful, cross-platform SQLite client and ORM for .NET
.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#
A small cross-platform UI library that brings the simplicity of native UI development to the web
A cross-platform UI toolkit for creating desktop applications with .NET and Mono
The ATF LevelEditor is a powerful tool for constructing and assembling game levels. It provides a WYSIWYG interface and allows you to place objects, edit properties, edit terrain, and build game le…