The ioquake3 community effort to continue supporting/developing id's
RPG Maker 2000/2003 and EasyRPG games interpreter
A modern, cross-platform Quake game engine based on FitzQuake.
Rust library to create a Good Game Easily
A cross platform Lua based game engine
Game engine for playing tomb raider 1 - 5 levels.
Java Game Engine
TurboSphere is an easy to learn and powerful JS based game engine.
3D game engine for C and C++
Cross-platform 2D game engine