OpenCart - A free shopping cart system
OpenCart is a an eCommerce platform for online merchants. OpenCart provides a professional and reliable foundation from which to build a successful online store. It can manage multiple stores from one admin interface. It has an inbuilt Affiliate system, where affiliates can promote specific products and get paid for this, Support for discounts and coupons, Product Reviews & Ratings, Reward points and lot more.
OpenCart is a module based system which allows users to easily extend the functionality for their needs. Easy quick and modify: Bestsellers, Category, Featured, Latest, Specials, Bestsellers, Manufacturers, Information, Google analytics and many more pages.