Gideros Release version
INSTEAD - Simple Text Adventure Interpreter.
JavaScript framework to build game engines, games, emulators and apps
Game engine supporting many 3D/2D formats and graphic effects
A cross platform Lua based game engine
Build Cross-platform Applications
Asphyre is a cross-platform framework for Delphi and FreePascal.
3D .NET engine for Windows, Linux, Mac
An advanced flexible game engine for Java.
Java decentralized cross-platform network multiplayer game engine
Cross platform Game Creation Software
A generic 2D engine for any kind of game
Pygrid is an open-source and cross-platform pygame/python 2D engine.
A truly extensible cross-platform game engine
C-Lesh is a game programming language for 2D games.
An extensible development framework for roleplay games.
Cross-platform reimplementation of AMOS BASIC (runtime)
AMOS BASIC reimplementation in Java
The Lambda-Engine is a cross platform game engine.
Make games with Lego-like building blocks