Second Life - Second Life is a virtual reality platform where individuals interact in a virtual world. The software was developed in 2003 by Linden Labs. More than one million people now regularly use the software.
Viviwo - The virtual world for tourism & shopping
Tower Unite - A one of a kind online social game for PC, full of multiplayer games, activities, synchronized media, and ZERO microtransactions.
OpenSimulator - OpenSimulator is an open source multi-platform, multi-user 3D application server.
VRChat - Create and play in virtual worlds with others
VeeR VR - Global VR video community