Google Duo - Google's answer to Facetime, high-quality video calling on iOS and Android.

Gather Town - Spatial video-chat worlds for work and play

GoRemote - A free & simple yet powerful European based solution to go remote. Video & audio conferences, screen sharing & chat with end to end encryption. Keep your team close and productive

SpatialChat - Virtual space platform to help remote teams collaborate.

Around - Find people to hang out with.

Teamflow - Feel like a team again with your own virtual office