GitHub - Cloud9c/taro: A lightweight 3D game engine for the web.
GitHub - pixijs/pixi.js: The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.
A small state-of-the-art study on custom engines
List of game engines comparison
ogre4j | ogre4j - Java Native Interfaces for OGRE - 3d engine library
xith.org - Home of the Xith3D Project - Java 3D graphics library
Ardor3D - Java 3D game engine also Android
jMonkeyEngine 3.0 | Java OpenGL Game Engine
SQLike - a small query engine
List of Flash Gaming Engines — FlashRealtime.com
JBox2D is a close Java port of Erin Catto's excellent C++ Box2D physics engine. Check out the demos below to see some examples of what it can do.
Newton Game Dynamics
Box2D - Home
Golden T Studios - Golden T Game Engine (GTGE)
Golden T Game Engine (GTGE) is an advanced cross-platform game programming library written in Java language. GTGE library provides a complete routines for making 2D game from low level routines such as hardware accelerated 2D graphics, mouse and keyboard
Allegro - Una librería para programar videojuegos
Luxinia Engine | Main / HomePage
Luxinia is a 3D engine written in C that uses OpenGL, Lua, GLFW and OpenAL. Its design goals were: Easy to use Extendable Entirely scriptable from the outside Entertaining samples