lua dev plugin for unreal engine 4 or 5
Perl bindings to the Modern OpenGL API
3D .NET engine for Windows, Linux, Mac
Multimedia asset management and manipulator for Étoilé
A generic 2D engine for any kind of game
TurboSphere is an easy to learn and powerful JS based game engine.
Pear3DEngine is a modern and modular 3D development framework
An extensible game engine that targets RPGs.
A generic C++ MUD server featuring a strategy-style hexagon map