Immersive Systems, Inc.
Home of Meme: extensible networked virtual reality software.
Activeworlds
3D virtual reality chat plugin software and servers. Design worlds, chat with friends, play games.
OzGate
A site running several DigitalSpace Traveler worlds.
Atmosphere Infopool
Adobe Atmosphere resources: tutorials, tips, galleries of worlds, avatars, scripts, objects, and sounds. In German and English.
Dive
An Internet-based distributed multi-user VR system, developed by researchers at the Swedish Institute of Computer Science since 1991.
Lucidspace 3D Community
A collection of multiuser VRML worlds (requires IE with Blaxxun Contact plugin) and forums.
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.
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.
Shared VR Wiki at VRSource
A collaborativly-built website about shared VR technology and software development (part of VRSource.org news site)
Goonietown
A Blaxxun Contact-based 3D multi-user chat community. Users can create worlds or hold a community job.
DigitalSpace Corporation
Software and world development company. Also home to Traveler online community.
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.
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.
Alterlinks
Active Worlds resource for visiting or creating your own virtual world: hosting, textures, 3D objects, avatars, skyboxes, tutorials.
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.
Second Life
An online society within a 3D world where you can explore, build, socialize, and participate in their own economy.
Dreamland Park
Explore, chat, and build a community using Active Worlds software.
Spid3r Technologies
A producer of interactive 3D communities using their own patented technology.
VRSpace
An open source (gpl) virtual reality cross-platform 3D community software.
Atmosphere Work
Jim Coe's training and resources for world builders. Tutorials with 3D demos and JavaScripts for Adobe Atmosphere Lighting, and audio.
3D Chat Virtual Universe
People can meet, interact with each other, build houses and whole worlds within a three-dimensional space.
Ziekerdanziek's 3D Help Guide
Resources for building and visiting online 3D communities.
3D Planets
A 3D virtual reality community. Visitors can chat, play games, hold community jobs, own homes, and buy objects.
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.
AtmoWire
Adobe Atmosphere tutorials, resources, directory, reviews, and news.
Planet Virtuel
3D VR community with avatar based chat. Design and create your own home and surroundings.
Cage8
A "Top 100" list for Adobe Atmosphere virtual worlds and websites, based on click-through rates.
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.