Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.
Gather Town - Spatial video-chat worlds for work and play
Upcoming.org - A simple way to share and discover interesting events
SpatialChat - Virtual space platform to help remote teams collaborate.
Colloq.io - Discover a new way to the conferences you like.
Teamflow - Feel like a team again with your own virtual office