Zen Cart is an open source e-commerce software which has been developed in PHP / mySQL. The basic structure of Zen Cart is similar to Oscommerce however the major difference is that Zen Cart now comes with a separate templates folder which will allow you to customize the look and feel of your website very easily. Moreover Zen Cart template system is DIV based since Zen Cart versions 1.3.x and your website will conform to the latest web standards of W3C. The current production version of Zen Cart is 1.5.1. You should seriously consider upgrading your website if you are running your Zen Cart website on previous versions. I can upgrade your Zen Cart website to the latest 1.5.1 version at nominal rates.
I also provide Zen Cart e-commerce website development at economical rates. I can customize your Zen Cart theme and customize the working of your Zen Cart website according to your requirements. I have also developed Zen Cart modules which are available on http://www.zen-cart.com website as well as on my website.
If you would like to view websites which I have developed on Zen Cart then please contact me and I will provide you the list.
If you have any questions related to Zen Cart web development then please let me know.