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.
Enable editors & developers to generate & manage Responsive Images "Mobile First" via the Post Editor and in template files.
Improve your adaptive web design with detecting the devices that visit your website.
DW Knowledge Base is a free WordPress plugin that allows users to create a self-support customer services.
Provides support for media queries and emulating CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8.
Plugin for patching old versions of IE (7 and 8)to work with CSS3 selectors and Media Queries.