Apache is a free and open-source cross-platform web server software.
Ecwid is a shopping cart plugin that turns any existing website into an online store.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Open Graph is a protocol that is used to integrate any web page into the social graph.
PHP is a general-purpose scripting language used for web development.