See also:

• Computers: Internet: Chat: Virtual Places  (45)
• Computers: Internet: Cyberspace: Online Communities  (426)
• Games: Video Games: Roleplaying: Massive Multiplayer Online  (2,528)

• Activeworlds - 3D virtual reality chat plugin software and servers. Design worlds, chat with friends, play games.
• Alterlinks - Active Worlds resource for visiting or creating your own virtual world: hosting, textures, 3D objects, avatars, skyboxes, tutorials.
• Atmosphere Work - Jim Coe's training and resources for world builders. Tutorials with 3D demos and JavaScripts for Adobe Atmosphere Lighting, and audio.
• AtmoWire - Adobe Atmosphere tutorials, resources, directory, reviews, and news.
• AW Europe - An official distributor of Activeworlds technology in Europe with 3D environments for both business and home use.
• Chicago3D.Net - A hosting reseller for Activeworlds, Inc. since 1998.
• Contact Consortium - A research and trade association for virtual worlds, avatars, virtual community. Organizer of yearly Avatars conference.
• Cybertown - A popular and long-running web-based multiuser world, using VRML and Blaxxun browser software. Chat, and use objects.
• 3D Chat Virtual Universe - People can meet, interact with each other, build houses and whole worlds within a three-dimensional space.
• DigitalSpace Corporation - Software and world development company. Also home to Traveler online community.
• Dive - An Internet-based distributed multi-user VR system, developed by researchers at the Swedish Institute of Computer Science since 1991.
• 3D-4u2 multi-user VR solutions - 3D-4u2 offers multiuser 3D and virtual reality technology on the internet that seemlessly integrates most current technologies, ranging from live video to 3D animations and allows users to build themselves.
• Moove - 3D chat world. Customizable avatars with facial expression. Users can chat, build and furnish a house, listen to music, share files. Can be integrated with external tools.
• OzGate - A site running several DigitalSpace Traveler worlds.
• Planet Virtuel - 3D VR community with avatar based chat. Design and create your own home and surroundings.
• Travelers Network - Travelers Network offers free voice chat in 3D virtual worlds.
• Unknown Galaxy - An Active Worlds based system where you can build structures, play games, or chat with friends. Also offers world hosting for a fee.
• Virtual Object System / Internet Virtual Reality - A software infrastructure for distributed object-oriented programming. The primary application for VOS is a multiuser virtual environment run by many interconnected clients.
• Virtual Worlds Review - A guide to online virtual worlds with a focus on social interaction. Basic info, visitor ratings, reviews and helpful links for each program.
• VRMLWorld.net - A portal to various VRML worlds, with multiuser chatting via VNet+. Free to use and to add your own worlds. Works best with IE and Blaxxun Contact.
• VRSpace - An open source (gpl) virtual reality cross-platform 3D community software.
• The world of Ancient Mayas in virtual reality - 3D reconstruction of the Mayan Cities,using VRML or Adobe Atmosphere browser.
• Ziekerdanziek's 3D Help Guide - Resources for building and visiting online 3D communities.