JoomUnited and Stackideas are now partner. Members can get a 20% OFF coupon available on our partner page here: http://www.joomunited.com/partner-listing
The coupon apply on all Stackideas subscription. Stackideas is one of the most famous extension provider in Joomla world.
They have recently added Easy Social, a tool to create and manage communities.
Note that most of our joomla extension are compatible with stackideas extension like Droppics, Dropfiles and SEO Glossary.
Stackideas partner page: http://stackideas.com/partners