If you can live with ASP.Net you can check out West Wind Web Store:

http://www.west-wind.com/westwindwebstore/

It comes with full source code and a lightweight business object and ASP.Net Web Development framework. Requires SQL Server or MSDE...

Regards,

+++ Rick ---

>Hi All!
>
>Can anyone recommend me a good ASP Shopping Cart? We're in the process of selecting and trying out those that offer an off-the-shelf shopping cart app. I welcome any recommendation. Pls email me at leiwulf@yahoo.com
>
>Thanks!