ForumFree - ForumFree allows you to create a forum or a blog in a few simple steps.

Kajabi - Kajabi is the only Knowledge Commerce platform today with everything you need to market, sell, and deliver your knowledge online.

Proboards - ProBoards is a host of free forums with customer service.

WildApricot - WildApricot is a powerful cloud software to help you automate and simplify membership tasks.

Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android

Tendenci - Tendenci - The Open Source AMS is a cloud-based​ all-in-one management SaaS solution for Non-profits and Associations.