Bellows is a responsive, mobile-first accordion UI module for progressive disclosure on the web. Also Bellows supports jQuery.
Response is a jQuery plugin that provides tools for building performance-optimized, mobile-first responsive websites.
It's breakpoint sets use HTML5 data attributes to dynamically swap markup based on breakpoints so that rich content can be served progressively. Its API includes cross-browser event hooks, HTML5 dataset, and ways to get or test responsive properties.
Wallop Slider is a simple slider with its transitions controlled via CSS.