Gridscrolling.js is a jQuery plugin for positioning sections and asides in a grid & allowing for easy cursor key navigation.
FixedContent.js is a mobile-friendly jQuery plugin that fixes/sticks content while scrolling.
A responsive fullscreen image gallery made with jQuery. The gallery features fullscreen images in various modes and custom thumbnail scrolling script.
Sidr is a jQuery plugin that can build a responsive side menu similar to that of Facebook.