Higher Logic - Private, secure online communities that stimulate conversation and ignite engagement.
Tribe.so - Tribe is a white-label platform, empowering the new generation of online communities.
Bevy - Scalable global events community around your brand
Common Room - Common Room is the intelligent community growth platform that helps you deepen relationships, build better products and drive business value.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.