A truly extensible cross-platform game engine
Little game background framework in java.
A cross platform 3d c++ game engine
A very small multi-platform game engine for creating desktop games.
Portable game engine with main focus on point-and-click adventures
A Tile-based Game Engine written in C# mimicing retro consoles.
3D graphics engine. Little progress; project cancelled.
First-person game engine
2D game engine for traditional platform games
Cross Engine is game engine for Windows, Mac, Linux and Android
A game engine written in the D programming language
3D Game Engine
C++ Text Adventure Engine
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Free MMORPG Engine. Develop and host graphical browser-based games.
WIP Game engine