ppalCart is a php - mysql - shopping cart. It is compatible with any payment gateway and payment processors such as paypal, as well as accepting c.o.d. orders. Has full IPN call-back integration for selling digital downloads as well as normal products.The administrative interface is easy and powerfull. Included is the shops help-desk LiveHelp which uses a php and a mysql back-end to support your clientes in real-time chat.