OpenCart is an open source shopping cart solution. It is quite user-friendly and feature rich Ecommerce platform. This is a perfect solution to build a small or mid-size online stores. Having an intuitive design and user-interface, makes it easy even for non-tech savvy people to build an online store. It is on AJAX technology which will give your website impressive site speed. You can also have multiple stores in a single admin panel and monitor them right from there.