Respond.js is a fast & lightweight polyfill for min/max-width CSS3 Media Queries (for IE 6-8, and more).

Enlarge DFW (Distraction-Free Writing) mode to fill the screen's width, giving users a real fullscreen editor.

Simple Fullscreen Responsive Slider is an easy-to-use, lightweight, responsive, fullscreen slider that supports MultiPostThumbnails and custom CSS.

Adds an updating browser viewport width and height in pixels to the WordPress admin bar.

Provides support for media queries and emulating CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8.