Game engine supporting many 3D/2D formats and graphic effects
Orx: Data-Driven Game Engine
Arianne is an engine to develop multiplayer online games like Stendhal
Molecular viewer and prototyping framework
Vivid3D is an open-source 3D engine with powerful 2D UI.
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Cinema Enters Game Console
2D Game Engine
Sdk library for creating 2048 game in c#.
The imaginary eight-bit machine
Modern 3D engine and IDE written using C# and C++.
A cross platform Lua based game engine
8-bit Graphical API for Java
Portable game engine with main focus on point-and-click adventures
Build Cross-platform Applications
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
3D .NET engine for Windows, Linux, Mac
A game engine written in the D programming language
An advanced flexible game engine for Java.
Java decentralized cross-platform network multiplayer game engine
A generic 2D engine for any kind of game
Multi-threaded 2D Renderer licensed under the Mozilla Public License
TurboSphere is an easy to learn and powerful JS based game engine.
Take the chess graphism, and use it with a chess engine.