Ultimate Member - The easiest way to create powerful online communities and beautiful user profiles with WordPress.
Kajabi - Kajabi is the only Knowledge Commerce platform today with everything you need to market, sell, and deliver your knowledge online.
Paid Memberships Pro - The complete membership solution for your WordPress site.
WishList Member - WishList Member is a membership software solution that can turn any WordPress site into a membership site.
WP User Frontend - The Ultimate Frontend Solution for WordPress to let your users manage everything from Frontend!
Memberclicks - MemberClicks provides website and membership management solutions to small-staff membership organizations.