What is JoomlaDeck?
JoomlaDeck is a place where Joomla designer and developer can offer there extensions and templates to Joomla users and enthusiast´s. Everyone can buy and sell Joomla! related products (and services - coming soon!) here. To make it short: JoomlaDeck is a marketplace for Joomla!
And what´s this Joomla thing?
Joomla! is one of the most famous and most often used Open Source Content Management System (CMS) in the world. It powers about 3% of any websites on the net (and there are billion websites out there). That´s about 10% of all CMS driven sites. Learn more about it a joomla.org