JavaScript libraries
Touch enabled jQuery plugin that lets you create beautiful responsive carousel slider

Maps
OpenStreetMap is the free wiki world map

JavaScript libraries
jQuery The Write Less Do More JavaScript Library

JavaScript libraries
Justified Gallery is a JavaScript library that allows you to create an high quality justified gallery of images This is a common problem for people who create websites you have a series of images to display but you are not sure how to arrange them in an elegant way Important websites such as 500