Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.

OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.

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.

Popper is a positioning engine, its purpose is to calculate the position of an element to make it possible to position it near a given reference element.

Modernizr is a JavaScript library that detects the features available in a user's browser.

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.