Shopp is a shopping cart plugin available for your WordPress-enabled site, which will allow you to use PayFast as the payment gateway. Shopp has a long list of impressive features, which you can view here. It integrates with the powerful and highly customisable WordPress engine. Go ahead and view some of the sites in the Shopp Showcase.
VirtueMart 2.0 was finally launched a few weeks ago, after a full two years of development. The PayFast module is available as a free download, compatible with the updated system. The updated open source shopping cart solution sports some attractive features:
Magento is a feature-rich eCommerce platform built on open source technology that provides online merchants with great flexibility over the look, content and feel of their eCommerce store. It has some exciting features such as built in Analytics and Reporting, SEO and mobile commerce solutions. For a full list of features click here, and to see a demo of the Magento store or admin panel click here.