A complete GPT language model (training and inference) in ~600 lines of pure C#, zero dependencies

A Doom port written in C#

Extensions to make MonoGame more awesome

A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input

The source for the official OpenBioForge website.

A redmine MCP server covering close to 100% of redmines API

A SoundFont MIDI synthesizer for .NET

Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI

A tiny bevy-like archetype-style ECS library for dotnet

The high-speed OpenGL, OpenCL, OpenAL, OpenXR, GLFW, SDL, Vulkan, Assimp, WebGPU, and DirectX bindings library your mother warned you about.

A C# parser construction toolkit with high-quality error reporting

A modern re-implementation of the classic DOS game Duke Nukem II

OpenJazz

An open-source Tomb Raider 1-5 engine remake

OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

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.

A C compiler written in C#