Zen Cart is a free of charge and open source shopping cart software. Just like all open source software Zen Cart's source code is allowed to be freely modified and even redistributed by users. The code for Zen Cart is a fork of another shopping cart plug-in known as osCommerce, and is supposed to be easier to use and configure by those not so technically inclined. Due to a small, but dedicated community Zen Cart get steady upgrades and maintenance.
Do not be bother with the installation process - if you've ever installed WordPress successfully this should be a cake walk.
Speaking about benefits of Zen Cart we can say that this software is built to make it easy to set up product listings, pricing and payment options along with act as a content management system (CMS) for all other aspects of your e-commerce site. This may definitely help to maintain a web page and make it much more user-friendly and simpler to understand for those who are not necessarily web-site designers or programmers. A very active help forum will help you to solve any problem you may have.
Nowadays all users can modify their website with a help of countless quality Zen Cart templates available from different websites on the net. Using of Zen Cart templates gives the site owner a chance to quickly change the layout of the web site according to their personal desires. Zen Cart Themes are simple to set up and eliminate the need to hire a web designer to tweak the basic design to suit the particular type of product presentation you prefer.