PeepSo – The Next Generation Social Networking Plugin For WordPress – Your Community. Your Way. It's SO easy! PeepSo is a FREE WordPress plugin which allows you to easily create gorgeous user profiles and spectacular communities within your WordPress site.
Membership software - aMember Pro Accept membership payments, manage profiles, deliver digital content, integrate with your blog, CMS, send newsletters, run affiliate program with this software
WordPress User Profiles and Membership Plugin - ProfileGrid WordPress user profiles plugin with groups, communities, memberships, content restriction, sign-up pages, notifications, messaging, and lot more!