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

Ecommerce
A free shopping cart system OpenCart is an open source PHP based online e commerce solution

JavaScript libraries
jQuery The Write Less Do More JavaScript Library

UI frameworks
Powerful extensible and feature packed frontend toolkit Build and customize with Sass utilize prebuilt grid system and components and bring projects to life with powerful JavaScript plugins

JavaScript libraries
Swiper is the most modern free mobile touch slider with hardware accelerated transitions and amazing native behavior