Gather Town - Spatial video-chat worlds for work and play
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
SpatialChat - Virtual space platform to help remote teams collaborate.
Event Hunt - Startups and Tech Events Curated By Locals
Teamflow - Feel like a team again with your own virtual office
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets