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

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.

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.

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

MySQL is an open-source relational database management system.

Cookie Notice provides a simple, customizable website banner that can be used to help your website comply with certain cookie consent requirements under the EU GDPR cookie law and CCPA regulations and includes seamless integration with Cookie Compliance to help your site comply with the latest updates to existing consent laws.

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.

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

Ninja Forms is the WordPress form builder.

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.

BackboneJS is a JavaScript library that allows to develop and structure the client side applications that run in a web browser.

Yoast SEO Premium is a search engine optimisation plugin for WordPress and other platforms.

Underscore.js is a JavaScript library which provides utility functions for common programming tasks. It is comparable to features provided by Prototype.js and the Ruby language, but opts for a functional programming design instead of extending object prototypes.

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.