3DMLW is a 3D engine and markup language based on XML that is capable of running in common web browsers. It supports .3ds, .obj, .an8 (Anim8or) models and experimental .blend (Blender) support, .tga, .jpg and .png textures and .ogg sound.
dockit can download fop, docbook-xml, docbook-xsl automatically, and configure the environment for docbook processing automatically. The install script is writted in Lua.
Emma (Extensible Multi Media Architecture) is an open-source, modular, extensible, dynamic framework for declarative authoring and display of 2D and 3D interactive multimedia. It uses Lua for scripting and Ogre3D for rendering. http://www.emma3d.org
Screen (or SCalable REndering ENgine) is a rendering engine based on both 3D rendering and highlty parallel algorithms. It provides powerful scripting interfaces and integrated development environment for 3D games and scientific simulations.