Gideros Release version
An isometric arcade-style game of skill, puzzles and exploration
Ze Text Adventure game Builder : Create as you play !
SDL based generic 2D game engine
A 2D game engine and level editor
IGS Labs
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Open Game Bootstrap
Mahasona engine is an open source game engine.
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Cross platform Game Creation Software
C++ Framework for slot machine games
Scriptable frontend for media applications.
Cross-platform reimplementation of AMOS BASIC (runtime)
A simple WinAPI game engine