MagnusB
JFusion 
Supercharge your Joomla! site. Integrate almost any software into Joomla! and allow your users single logins. Now get full control over integrating multiple softwares at the same time, with the new master/slave capabilities. JFusion is a free GPL plugi ...
K2
The powerful content extension for Joomla!, awarded "Joomla! component of 2010" at J and Beyond (the international Joomla! conference). --- WHAT IS K2? --- K2 provides an out-of-the box integrated solution featuring rich content forms for items (think ...
JomSocial
JomSocial is an award-winning social networking component for Joomla. Create your own Social Network with Photo and Video Gallery, Event Management, Activity Stream and other features that work out of the box. JomSocial features: * Friendship system f ...
JoomSEF Free
SEO component to make your Joomla! URLs SEF (search engine friendly) and easily human understandable with metadata and sitemap generation capabilities. *** JoomSEF 4 STABLE for Joomla 1.6 is available now! *** Supports URL translations at multilingual sit ...