Zen Cart is a software fork that branched from osCommerce in 2003. Beyond some aesthetic changes, the major differences between the two systemscome from Zen Cart's architectural changes and additionalincluded features in the core. The release of the 1.3.x series further differentiated Zen Cart by moving the template system from its historic tables-based layout approach to one that is largely CSS-based.
Plugins
As support for Zen Cart dropped in recent years, many third party companies are creating Zencart plugins and modules that can help users solve problems like installing reCAPTCHA v3