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

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

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

Akismet is a service that filters spam from comments, trackbacks, and contact form messages.

MySQL is an open-source relational database management system.

Gravatar is a service for providing globally unique avatars.

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.

WordPress Super Cache is a static caching plugin for WordPress.

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.

a3 Lazy Load is a mobile oriented, very simple to use plugin that will speed up sites page load speed.

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.

YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.

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