AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Joomla is a free and open-source content management system for publishing web content.
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.