Virtools
http://www.virtools.com
Virtools' comprehensive development platform is the key to creating a wide range of addictive games, virtual reality /simulations and marketing/multimedia applications.
http://www.derivativeinc.com/home/home.asp
TOUCH FAMILY OF PRODUCTS LETS YOU CREATE AND PERFORM LIVE 3D VISUALS.
Touch is Derivative's family of three products used to author and perform live visuals for installation artists, VJs, architects, stage designers, researchers, web 3D developers, educators and anyone else who wishes to play and manipulate live interactive 3D visuals.