Discourse is internet discussion forum.
“Discourse is the 100% open source discussion platform built for the next decade of the Internet. Use it as a mailing list, discussion forum, long-form chat room, and more!”
business model
Paid for hosting: payments.discourse.org/pricing
team
Jeff Atwood, co-founder and co-founder of Stack Overflow
Robin Ward, co-founder
Sam Saffron, co-founder