Respond.js is a fast & lightweight polyfill for min/max-width CSS3 Media Queries (for IE 6-8, and more).
Simple Fullscreen Responsive Slider is an easy-to-use, lightweight, responsive, fullscreen slider that supports MultiPostThumbnails and custom CSS.
Plugin for patching old versions of IE (7 and 8)to work with CSS3 selectors and Media Queries.
Provides support for media queries and emulating CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8.
Custom device performance. Make your Responsive Design better. Beyond CSS @media Queries.
Enable editors & developers to generate & manage Responsive Images "Mobile First" via the Post Editor and in template files.