AltspaceVR
Anyland
BigScreen
Convrge
Facebook Spaces
High Fidelity
Janus VR
Oculus Social
Project Sansar
Rec Room
Scienverse
Surreal
Voxelus
VRChat
vTime
Werewolves Within
Youtopia VR
Social VR in Werewolves Within
reference 1 reference 2