CS Cart

http://www.cs-cart.com/

CS-Cart is the best shopping cart solution for building an ecommerce website of any size: from a small web store to a virtual shopping mall. A ready storefront, support for many payment and shipping options, full inventory control, unlimited products, promotional tools, and other ecommerce software features out-of-the-box. CS-Cart shopping cart software offers a search engine friendly environment that involves the tableless layout, customizable META tags, friendly URLs and Google sitemap.

CS Cart sites showcase, 113 sites using CS Cart