is a powerful light-weight programming language designed for extending
applications. Lua is also frequently used as a general-purpose, stand-alone
language. Lua is free software.
Lua Libraries And Bindings, this is a list of libraries implemented in Lua or implemented in another language (e.g. C) but having a Lua interface.
AC3D Use AC3D to create 3D models for: games - virtual reality and flight simulation - scientific, medical and general data visualisation - rapid prototypes of 3D designs - high resolution 3D renderings.
Terragen Use Terragen to create terrain and skybox for Awakening.
World Machine Wonderful procedural terrain generator.
Google SketchUp (free) is an easy-to-learn 3D modeling program that enables you to explore the world in 3D. With just a few simple tools, you can create 3D models of houses, sheds, decks, home additions, woodworking projects - even space ships
TheBest3D.com... Digital Painting Tools for Creative Artists, Indie Game Developers and Visual FX Animators, with powerful features for 3D and video.