WordPress is a free and open-source content management system based on PHP and MySQL. To function, WordPress has to be installed on a web server, which would either be part of an Internet hosting service or a network host in its own right.

PrestaShop is a freemium, open source e-commerce solution. The software is published under the Open Software License. It is written in the PHP programming language with support for the MySQL database management system.

Magento is an open-source e-commerce platform written in PHP. The software was originally developed by Varien, Inc, a US private company headquartered in Culver City, California, with assistance from volunteers.

It is a powerful PHP framework with a very small footprint, built for developers who need a simple and elegant toolkit to create full-featured web applications.

It is an open source, cross-platform runtime environment for developing server-side and networking applications.

It is a structural framework for dynamic web apps. Angular makes much of the code you would otherwise have to write completely redundant.