Released in August 2008
What is it
PrestaShop is available under the Open software license. It was officially released in august 2007 for small and medium companies. The software, which is based in Smarty template engine, is used by thousands of stores across the world, more than 40 languages are available. It supports several types of payment, such as Google Checkout, Paypal, Akatus, MoIP among others. Additional payment modules are offered commercial, the PrestaShop system makes extensive use of AJAX in the control panel (back office).
More modules addons can be easily added to provide extra features. The addons are usually provided for free by independent developers. The PrestaShop Group also features an official market of modules and themes.
Oficial Site: http://www.prestashop.com/pt/