VirtueMart (formerly known as mambo-phpShop) is an e-commerce solution to be used together with Joomla! (but it also works with Mambo). VirtueMart is not a stand alone project, rather it’s a plugin for Joomla and a Joomla instance is required to run it. External Links Optimizing virtuemart for SEO Taking VirtueMart to the top of Google

xt-commerce is a distribution of osCommerce which is sold with commercial support.