The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
Svelto ECS C# Entity Component System
A game framework written with osu! in mind.
Entitas is a super fast Entity Component System (ECS) Framework
Vivid3D is an open-source 3D engine with powerful 2D UI.
QQ Group:538722494,KSFramework = KEngine + SLua(or xLua)
XNA based game engine completely written in c#
RPG Games without coding!