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

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

Header Footer Code Manager by Draftpress is a easy interface to add snippets to the header or footer or above or below the content of your page.

Elementor is a website builder platform for professionals on WordPress.

Contact Form 7 is an WordPress plugin which can manage multiple contact forms. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering.

Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.

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.

MySQL is an open-source relational database management system.

Adds conditional logic to Contact Form 7.

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.

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.

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