 |  |  |  |  Zen Cart: E-commerce Application Development: A step-by-step developer's guideZen Cart is a popular open-source PHP/MySQL-based e-commerce solution available under GPL that is designed to put the merchants' and shoppers' requirements first. Not only does Zen Cart offer a very long list of features, but the system is designed with both store owners and web developers in mind. There's no sacrifice of usability or power. ... |