Community Builder suite (CB) extends the Joomla! user management system.

Key features:

extra fields in profile, enhanced registration workflows, user lists, connection paths between users, admin defined tabs and user profiles, image upload, front-end workflow management, integration with other components, like PMS, Newsletter, Forum, Galleries.

CB has many CB plugins from CB Team and from third parties, including Profile Gallery, Profile Blog, Profile Guestbook, Profile Wall, Paid Subscriptions Membership management, Donations management, Shop, Captcha and many more.

Over 180 extensions for CB are listed here. CB is compatible with all Joomla! 1.5 native, Joomla! 1.0.x native and Mambo 4.5.2-4.6.5. CB allows multi-criteria user searches, full field controls of core fields, ajax email and username checkers, image and integer fields, custom validations and many more features. CB 1.2.1 Stable is open-source and free.