lua dev plugin for unreal engine 4 or 5
Gideros Release version
Game engine supporting many 3D/2D formats and graphic effects
Orx: Portable Game Engine
Arianne is an engine to develop multiplayer online games like Stendhal
Java Settlers
8-bit Graphical API for Java
Source code of the chapters of the book 3D Game Development with LWJGL
X3D Prototypes for the SMUOS Component
Build Cross-platform Applications
An environment to develop games based on a rectangular board
3D .NET engine for Windows, Linux, Mac
An advanced flexible game engine for Java.
Um pequeno framework didático de games em Java
evolution for vegastrike SpaceSim/Combat/Trade game
Java decentralized cross-platform network multiplayer game engine
Free strategy browsergame engine.
Gives agents personality, moods, emotions and emotional attachments.
A generic 2D engine for any kind of game
Java Gamepad API for multiple platforms
Take the chess graphism, and use it with a chess engine.