3D virtual reality chat plugin software and servers. Design worlds, chat with friends, play games.

Active Worlds resource for visiting or creating your own virtual world: hosting, textures, 3D objects, avatars, skyboxes, tutorials.

An official distributor of Activeworlds technology in Europe with 3D environments for both business and home use.

A research and trade association for virtual worlds, avatars, virtual community. Organizer of yearly Avatars conference.

Software and world development company. Also home to Traveler online community.

An open source (gpl) virtual reality cross-platform 3D community software.