Second Life
second life is a free 3d virtual world where users can socialize, connect and create using free voice and text chat. to access this world you need to use a viewer such as second life viewer (see second life viewer).
Open Cobalt Alpha is the first step in a long term project to make available to all people a free and open source platform for constructing, accessing, and sharing...
open cobalt alpha is the first step in a long term project to make available to all people a free and open source platform for constructing, accessing, and sharing virtual workspaces for research and education. this 3d multimedia wiki technology makes it easy to create deeply collaborative and hyperlinked multiuser virtual workspaces, virtual exhibit spaces, and gamebased learning and training environments that run on all major software operating systems. by using a peerbased messaging protocol to reduce reliance on server infrastructures for support of basic in world interactions across many participants, open cobalt makes it possible for people hyperlink their virtual worlds via 3d portals to form a large distributed network of interconnected collaboration spaces. it also makes it possible for schools and other organizations to freely set up their own networks of public and private 3d virtual workspaces that feature integrated web browsing, voice chat, text chat, and access to remote desktop applications and services.
chat-clients chat-rooms virtual-worlds chat-3d virtual-chat constructing conversation