PrestaShop is an e-commerce solution which is free for the basic kernel and open source.
It supports payment gateways such as Google Checkout, PayPal, Moneybookers and many others. Further payment modules are offered commercially.
PrestaShop is available under the Open Software License
and officially launched in August 2007,
for businesses of all sizes. The software, which is based on the Smarty template engine, is used by more than 75,000 shops worldwide.