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.

MySQL is an open-source relational database management system.

WPBakery is a drag and drop visual page builder plugin for WordPress.

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.

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.

All in One SEO plugin optimizes WordPress website and its content for search engines.

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

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

Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.

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.

All in One SEO optimizes a WordPress website and its content for search engines.

CDN77 is a content delivery network (CDN).