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

ActiveWorlds

Activeworlds hosts a Universe of over 500 3D virtual reality worlds. In these worlds you can choose from a vast array of avatars that fit your personality (or your perceived personality - that's half the fun!).

Free Mac OS X Windows Linux

IMVU

A 3D internet chatroom application for chatting with friends and meeting new people

Freemium Windows

VRChat

Join our growing community as you explore, play, and help craft the future of social VR. Create worlds and custom avatars. Welcome to VRChat.

Free Windows

AltspaceVR

AltspaceVR is a social VR platform for meeting people from around the world, playing interactive games, and attending free live events. Choose from over 28 activities or...

Freemium Windows Android Steam HTC Vive OSVR