Zen Cart is a CMS which is totally based on PHP.Zen Cart, a PHP/MySQL based open source shopping cart solution, came to light after its split from osCommerce in 2003. It’s free development source code offers flexibility to eCommerce developers looking to completely customize their websites.Zen Cart is managed by a growing community of designers, programmers and business owners across the globe. Today more than 100,000 stores are deployed using Zen Cart eCommerce platform. Apart from its open source nature, it comes loaded with eCommerce features that offer robust advantages to retailers.Zen Cart gives you the ability to add unlimited products to the store. You can easily sell items and ship them directly to your customers. Customers can also choose a specific shipping carrier or mode of transport.