The Cafu Engine is an all-purpose, modern 3D graphics engine and game development kit, feature complete to get you started quickly.
Cafu is available to everyone as 100% free software under the GNU General Public License (GPLv3). It can be used to create a variety of 3D applications, including games, simulations, and training and architectural software. Written in C++, the tools, libraries and framework have been designed to make the development of new games and other 3D applications easy. They are actively and continuously developed in order to provide the latest technology.
- High-quality, real-time 3D graphics with a very powerful and flexible material system
- Cross-platform and cross-compiler portability
- Very fast built-in network code for multi-player internet and LAN games
- Dynamic per-pixel lighting and shadows, combined with physically correct Radiosity
- Very large terrain rendering, skeleton based model rendering
- 3D sound effects with a powerful sound system
- Uses the powerful Lua language for map scripting, entity scripting and GUI scripting
- Freely available under the GPL or a custom license that is tailored to your needs
Well designed modular engine, outdated but the svn is being updated regularly, new stable coming in the future, currently being modernized on the backend. The mapper resembles Hammer but without the regular crashing and better GUI, speaking of GUI, the game's GUI is simple script with graphical editor. C++ with Lua scripting support.