Scriptable Headless WebKit
Eliminates layout thrashing by batching DOM read/write operations
Reveal CSS animation as you scroll down a page
Injects CSS into the document (it's a perfectly legal procedure)
Small & fast DOM and event library for modern browsers.
A client-side solution to conditional loading.
DIY Presentation Micro-Framework
library agnostic, extensible DOM utility
jQuery Ui widget that will transparently save the state of checkboxes, inputs, selects, etc in localStorage, restoring these on the user's next visit to the page.
A simple, extensible way to work directly with the DOM.
jQuery plugin for hiring doubles
Sane DOM Generation
let's you know when the dom is ready
Calculates if the mouse position is near to a given element.
Master your scroll events.