Stand-alone parallax scrolling JavaScript library for mobile (Android, iOS, etc.) and desktop in just over 9.6k (minified) or 4.5k (minified + gzipped).

Designer friendly. No JavaScript skills needed. Just plain CSS and HTML.

Actually, skrollr is much more than "just" parallax scrolling. It's a full-fledged scrolling animation library. In fact, you can use it and still have no parallax scrolling at all. But I wanted to sound hip and use some buzz-words. By the way, skrollr leverages HTML5 and CSS3 ;-)