A cross platform Lua based game engine
An environment to develop games based on a rectangular board
Asphyre is a cross-platform framework for Delphi and FreePascal.
Library for creating turn-based games with simultaneous moves.
TurboSphere is an easy to learn and powerful JS based game engine.
A world editor for HGE game engine written in python and uses OpenGL.
Open source network game service
Pear3DEngine is a modern and modular 3D development framework
DiaT is a Textadventure
AMOS BASIC reimplementation in Java
An extensible game engine that targets RPGs.