jCart: Simple & Free Ajax-PHP Shopping Cart
jCart is a very simple & free shopping cart script that is built with PHP & jQuery.
It offers a base Ajaxed basket interface that can be improved further by implementing the checkout pages.
The script is unobtrusive, generates valid XHTML & design of it can be customized easily via CSS.
jCart’s inputs are validated on the server-side for a better security.
There is a step-by-step installation & how-to provided that can be found here.
