What is "opencart"
Opencart is an Open Source E-commerce system developed primarily in the language php licensed under GNU General Public License, is a free, open source solution for publishing and virtual store management, focused on ease of installation and use.
Opencart features order management, affiliate system, digital product sales system (downloads), multiple means of payment and shipping methods by default, and it is possible to expand its functionality through extensions (plugins or add-ons), and customize your appearance through themes (template).
Opencart was developed to be light and fast, so it has a simplified and intuitive administration, and a store structure that, in addition to having an information cache system to speed up the loading of information, uses the library in a mature way jquery using the mechanism of ajax to upload information without the need to update pages.
The installation and development model follows the standard mvc, widely disseminated in the medium of software development for web, the software is developed in languages php, css, javascript using the Jquery library.