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.

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

WP Engine is a website hosting provider.

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

jQuery Payment is a general-purpose library for building credit card forms, validating input fields, and formatting card numbers.

crypto-js is a JavaScript library of crypto standards.

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.

WooCommerce is an open-source ecommerce plugin for WordPress.

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

Cloudflare bot management solution identifies and mitigates automated traffic to protect websites from bad bots.

cdnjs is a free distributed JS library delivery service.

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

MySQL is an open-source relational database management system.

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.

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.

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

Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.