Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.
Vanilla Forums - Build an engaging community forum using Vanilla's modern cloud forum software.
Bigtent - BigTent is a web-based organization and communication portal for groups.
Forumbee - Forumbee offers community forums for discussions, feedback and Q&A.
Nabble - Nabble is a forum software that are embeddable and fully customizable with scripting language.
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.