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BuddyPress
https://wordpress.org/plugins/buddypress/
Community by PeepSo – Social Network, Membership, Registration, User Profiles
https://wordpress.org/plugins/peepso-core/
ProfileGrid – User Profiles, Groups and Communities – WordPress plugin | WordPress.org
https://wordpress.org/plugins/profilegrid-user-profiles-groups-and-communities/
User Registration – Custom Registration Form, Login Form, and User Profile WordPress Plugin
https://wordpress.org/plugins/user-registration/
RegistrationMagic – Custom User Registration Forms Plugin
https://wordpress.org/plugins/custom-registration-form-builder-with-submission-manager/
User Meta – User Profile Builder and User management plugin – WordPress plugin | WordPress.org
https://wordpress.org/plugins/user-meta/
UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP
https://wordpress.org/plugins/userswp/
WP User Frontend – Registration, User Profile, Membership, Content Restriction, User Directory, and Frontend Post Submission Plugin
https://wordpress.org/plugins/wp-user-frontend/
WP User Manager – User Profile Builder & Membership
https://wordpress.org/plugins/wp-user-manager/