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

Varnish is a reverse caching proxy.

Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.

Envoy is an open-source edge and service proxy, designed for cloud-native applications.

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

Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.

Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.

Cloud CDN uses Google's global edge network to serve content closer to users.

Google Cloud is a suite of cloud computing services.

Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds.

LiteSpeed is a high-scalability web server.

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.

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

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.

MySQL is an open-source relational database management system.

Magnific Popup is a responsive lightbox & dialog script with focus on performance and providing best experience for user with any device.

LiteSpeed Cache is an all-in-one site acceleration plugin for WordPress.

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 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.

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

WooCommerce is an open-source ecommerce plugin for WordPress.

Klaviyo is an email and SMS marketing platform for online businesses.

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.

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

LiteSpeed Cache is an all-in-one site acceleration plugin for WordPress.

Joinchat is a tool that enables businesses to convert customer conversations into sales or leads through integrated communication features.

Slider Revolution is a flexible and highly customisable slider.

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

Tengine is a web server which is based on the Nginx HTTP server.