The Video Annotation and Reference System (VARS) is a software interface and database system that provides tools for describing, cataloging, retrieving, and viewing the visual, descriptive, and quantitative data associated with video.
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.
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