Apache is a free and open-source cross-platform web server software.
D3 based reusable chart library
HERE is a PaaS for creating custom maps, visualize location datasets, gather insights and buy and sell location assets.
jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.
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.
PHP is a general-purpose scripting language used for web development.