Drupe is a 3D renderer. It consists of some basic low-level routines which can be freely programmed and controlled via JavaScript. This makes Drupe kind of Emacs for graphics rendering.
The project delivers a JavaScript library for Canvas computing; the library allows to represent and browse structured information in form of conntected hexagons wrapped in one the 3D space
The Fury² Game Creation System is a gamedevelopment toolkit for the 32-bit Windows platform, designed to allow the creation of complex multimedia software and games with minimal unnecessary effort (i.e. reinventing the wheel.)
VRS is an environment for presenting three dimensional (3D) world. All visualisations are made at client(s) side VRC (Virtual Reality Client - example client is under developement, SF site avaible, see also http://jvrc.info).
Naikai is a set of game-oriented XPCOM components that vastly simplify the process of creating games. You can use Python or JavaScript or any XPCOM-enabled language to glue all of the provided components (image loaders, graphics renderers, a sound system
Javascript SDK for Nintendo Wii's Opera browser with classes for 3D vertex math, triangle meshes, canvas drawing, Wii Remote motion/button detecting, and multiuser interfaces. Official site: http://wiioperasdk.com and blog: http://blog.wiioperasdk.com.