gonzo-seed - Stylus based responsive CSS seed
wrapperElement - The One CSS layout building block to rule them all.
jquery-viewable - A library that checks an element's visibility to the user.
Modern Clean CSS “Sticky Footer” - Fixed footer solution adopted by Bootstrap.
jquery-ui-clipthru - A library for a punch-through visual effect for element collision.
jquery-ui-scalebreaker - A scaling modal dialog that doesn't respect the mobile zoom.