Mark Pesce, father of Virtual Reality Markup Language (VRML)

Worlds

Worlds.com is the pioneering platform in 3D virtual communities and rich immersive environments. Launching in 1994, Worlds leverages its patented proprietary technology in partnership with brand leaders in specific market segments to offer users multi-user environments that have interactive Avatars, rich media graphics, text chat, voice-to-voice chat, video and e-commerce.

The 3D communities allow visitors to interact with each other, teleport throughout the Worlds environment as well as participate in shared experiences. Besides partnering with existing content providers that have strong brands and an existing following, Worlds also encourages individuals to create their own virtual spaces, communities and unique Avatars with easy-to-use tools. Worlds was and remains true “social networking” well before the term became mainstream.

Source worlds.net

Second Life

Second Life® is a 3-D virtual world created by its Residents. Since opening to the public in 2003, it has grown explosively and today is inhabited by millions of Residents from around the globe.

• From the moment you enter the World you'll discover a vast digital continent, teeming with people, entertainment, experiences and opportunity. Once you've explored a bit, perhaps you'll find a perfect parcel of land to build your house or business.
  
• You'll also be surrounded by the Creations of your fellow Residents. Because Residents retain intellectual property rights in their digital creations, they can buy, sell and trade with other Residents.
  
• The Marketplace currently supports millions of US dollars in monthly transactions. This commerce is handled with the inworld unit of trade, the Linden™ dollar, which can be converted to US dollars at several thriving online Linden dollar exchanges.
  

Source secondlife.com

Outer World

Outerworlds is a powerful Virtual Reality 3D Chat experience that lets you visit and interact in fantastic 3D chat worlds built by its users. Are you creative? Would you like to build your own 3D chat world or Virtual Reality game content? Outerworlds 3D Chat may be the place you are looking for, where you can create fascinating Virtual Reality 3D chat worlds that your friends can come visit.

Source outerworlds.com

Active Worlds

In Active Worlds you can:

• Build your own 3D virtual reality home on the Internet
  
• Shop online in our own 3D virtual reality mall and chat with store clerks
  
• Explore over 1000 unique virtual worlds
  
• Make new friends and chat with people from all over the globe
  
• Play interactive 2D and 3D games
  
• Choose from a vast range of avatar identities and chat with other avatars.
  

Source activeworlds.com

3D Planets

3DPlanets.com is a family-safe 3D chat community. all of our services and features are premium and all are free.

some of our many features include

• gather with your friends to chat in 2D or in one of many of our 3DVR worlds using a 3D avatar of your choice.
  
• a free 3D home which you can setup with a myspace-like profile, decorate with 3D items, and customize like your own webpage using html, we will even give you free site tools to help you.
  
• watch dozens of full-length feature movies in cinema 3dp.
  
• hang out at the genaqua moon lagoon and go water skiing, surfing, diving with sharkie or take a trip through the tunnel of love.
  
• watch member-selected youtube videos at the thunder concert center.
  
• play blackjack, keno, slots or craps at the 3dp casino.
  
• party at club 3dp and much much more!!!
  

Source 3dplanets.com

Virtual Reality

Virtual reality (VR) is a technology which allows a user to interact with a computer-simulated environment