Warmspace - Tech-powered conversations that transform relationships in work and life.

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

ClearChat - If you're hosting a public video chat then it can attract unwanted attention from troublemakers.

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Superpeer Channels - Beautiful livestreams with your subscribers

Bigtent - BigTent is a web-based organization and communication portal for groups.