Zen Cart is one of the most popular open-source shopping cart systems today. Zend Cart is an on-line shopping system. It enables companies to operate an on-line store front. It provides the user with a large selection of functions such as unlimited products, unlimited product categories, in-built tools for sales, product promotions, gift certificates and product download. It is PHP based content management system which used HTML components backed by sturdy and expandable features of MySQL database. E-Business owners have approved Zen Cart as a replica for their online retail stores.