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.
jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.
jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.
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.
Reactive is a subscription-based software that allows you to set up an online store and website. It has a CMS and has been created to support retail, coffee bars, restaurants owners and accomodation properties such as hotels or villas. With Reactive one can sell products or accept reservations and online orders.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
UIKit is the framework used for developing iOS applications.