Mobilizon - A free and federated tool to get our events off Facebook
fangr.am - Building communities for creators
DownToMeet - DownToMeet is a platform to organize, find, and attend group events.
FansMine - Subscription social platform for creators & their fans
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Patreon - Patreon enables fans to give ongoing support to their favorite creators.