Apache is a free and open-source cross-platform web server software.

StackPath is a cloud computing and services provider.

reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.

JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.

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

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.

Amazon Advertising (formerly AMS or Amazon Marketing Services) is a service that works in a similar way to pay-per-click ads on Google.

Query Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9.

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.

Lightbox is small javascript library used to overlay images on top of the current page.

A CSS3 and jQuery Filter & Sort Plugin.

PHP is a general-purpose scripting language used for web development.

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

MySQL is an open-source relational database management system.

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

Google Analytics is a free web analytics service that tracks and reports website traffic.

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.