Apache is a free and open-source cross-platform web server software.
Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
Caldera Forms is the free WordPress form builder plugin.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Mobile-detect.js is a compact JavaScript library designed to detect devices by comparing patterns against a given User-Agent string.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Javascript forms validation script.
PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.
PHP is a general-purpose scripting language used for web development.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.