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

Higher Logic - Private, secure online communities that stimulate conversation and ignite engagement.

DownToMeet - DownToMeet is a platform to organize, find, and attend group events.

Tribe.so - Tribe is a white-label platform, empowering the new generation of online communities.

Brüha - Brüha is your local entertainment and ticketing platform.

Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.