Developed for small and medium businesses, VP-ASP Shoopping Cart is an open source shopping cart solution that allows businesses to tailor their web site's shopping cart to their needs. The free version of this software contains all the basic components that a vendor can use to accept orders from customers online, including: basic credit card validation, an unlimited product catelog, template-based formatting, browser administration, customizable checkout forms, dual currency, tax exclusion, real time currency conversion link, minicart display, payment gateway integration, and a top seller's function.