ForumFree - ForumFree allows you to create a forum or a blog in a few simple steps.
fangr.am - Building communities for creators
Proboards - ProBoards is a host of free forums with customer service.
FansMine - Subscription social platform for creators & their fans
PlushForums - PlushForums is a modern online forum hosting platform.
Patreon - Patreon enables fans to give ongoing support to their favorite creators.