D3.js is a JavaScript library for producing dynamic, interactive data visualisations in web browsers.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
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.
Lightbox is small javascript library used to overlay images on top of the current page.
Material Design Lite is a library of components for web developers.
NVD3 is a JavaScript visualisation library that is a free open-source tool.
PHP is a general-purpose scripting language used for web development.