Response is an open source HTML5 WordPress theme currently in development by Ryan Van Etten (@ryanve). The theme applies the design theories of mobile first, responsive design, progressive enhancement, and flexible grids to the rock-solid Hybrid framework. It integrates dopeness from the HTML5 boilerplate and Modernizr. Its sole purpose is to deliver a flexible, highly optimized backend capable of rocking HTML5, CSS3, and WordPress to the max.

Beta release date: Spring 2012