PUBLIC MARKS from Spone with tags scroll & javascript

Midnight.js lets you switch fixed headers on the fly

Declarative on-scroll reveal animations.

os x lion style cross-browser native scrolling on the web that gets out of the way.

Masonry is a layout plugin for jQuery. Think of it as the flip side of CSS floats. Whereas floating arranges elements horizontally then vertically, Masonry arranges elements vertically then horizontally according to a grid. The result minimizes vertical gaps between elements of varying height, just like a mason fitting stones in a wall.