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JComments 
The JComments 2.2 is a powerful and easy to use AJAX based comment system for Joomla with flexible ACL, smiles, BBCodes and avatars support. Working on this release took extra eight months, all this effort was spent to make the component more stable and u ...
ChronoForms
I always needed to create custom forms for my clients websites, Or to migrate their old websites forms fast and easy to new Joomla websites forms, this was pain, as I was using other components for doing this, and create everything from scratch at web bas ...
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 ...
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 exte ...