Gideros Release version
Real Time Strategy game engine supporting early Westwood classics
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
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
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
Built to be ease of use, with no programming knowledge, Multi-platform
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
A very small multi-platform game engine for creating desktop games.
C-Lesh is a game programming language for 2D games.
An open source skateboard games engine written in C# and .NET.