irpaulus
Akeeba Backup 
Akeeba Backup Core is the successor to the now famous JoomlaPack component. In a nutshell, Akeeba Backup Core is an open-source backup component for the Joomla! CMS, quite a bit different than its competition. Its mission is simple: create a site backup t ...
jDownloads
Extensive Download Manager for Joomla! 1.5/2.5 with special functions! Please see the feature list for more information: http://www.jdownloads.com/index.php?option=com_content&view=article&id=115&Itemid=75 We have a jDownloads security fix published! ...
VirtueMart
Based on Joomla MVC framework with all its advantage: - Template overwritting, - Implementation of Joomla Plugins for: payment, shipment, coupons, calculation rules, custom product fields, ... - Simple installation and integration of other joomla exten ...
