Gather Town - Spatial video-chat worlds for work and play
SpatialChat - Virtual space platform to help remote teams collaborate.
Topia - Create amazing wallpapers for your iPhone
VRChat - Create and play in virtual worlds with others
Facebook Spaces - Facebook's social Virtual Reality platform is here!
Decentraland - Decentraland is a marketplace that enables the users to shop all the digital assets easily, and it allows them to build creative structures in it.