Simple and low-consumption Java 2D Game Engine
Gorgon Game Engine (GGE) is a C++ game engine that handles many tasks.
2D physics engine for games
C++ OpenSource Game Fabric based on SDL2
Java Game Engine
A free ActionScript 3 library designed for developing 2D Flash games
Free Android 2D OpenGL Game Engine
A multiplatform game engine for interactive fiction experiences
Role Playing Game Engine
A 2D java game engine
3D game engine for C and C++
Java Client + JS/Canvas Server-Side System, with maintained Objects
Framework for a graphical point and click adventure game in Java
A DirectX based graphics/physics engine
Free MMORPG Engine. Develop and host graphical browser-based games.
A 2D Java game engine
Zen3D is a 3D engine and editor for creating games