Odamex is a free, cross-platform, modern client-server Doom engine
Cerberus Content Management System
3D Multiplayer Hover Soccer
an osm openstreetmap 3D / bing maps car / flight / ballon sim game
SuperWikia: The Runtime/Realtime Environment for Codesmiths
3D Web UI, Embed Web and Flash in 3D Games, based on WebKit
Piccoli giochi crescono ^^
3d peer to peer chatroom where associated pairs of text gravitate
3D Engine technology with partial tools developing kit.
A php script for generating Rubik's cube visualisations