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).

Freemium Mac OS X Windows Linux Web

OpenSimulator

OpenSimulator is an open source multi-platform, multi-user 3D application server. It can be used to create a virtual environment (or world) which can be accessed through...

Free Open Source Windows Linux

Twinity

3D world and 3D chat community, you can create your own avatar, party with friends, dress-up, go shopping and interact via 3D chat.

Freemium Windows

Tower Unite

A community-based virtual world filled with actual games and entertainment made by people who love creating games.

Commercial Windows Steam