psbarry
Projectfork 
Projectfork is a Project Management solution for Joomla! which enables you to share your projects and ideas online with other users! You can use Projectfork for your company as a private intranet solution or as a service like basecamp or Gforge. Projec ...
JCE 
An award-winning, configurable WYSIWYG editor for Joomla! based on Moxiecode's TinyMCE. Includes advanced Image/Media, File and Link handling, plugin support, and an Administration interface for editor configuration.
Joom!Fish
JoomFish is the solution for your multilingual website if control over the translations matters for you. The core extension is free of charge and allows the translation of any content within your Joomla system. With an easy extension it is also possible t ...
Community Builder
Community Builder (CB) extends the Joomla! members 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 workflo ...