The core of jQuery UI, required for all interactions and widgets.
Bounces an element horizontally or vertically n times.
Extends the internal jQuery effects. Includes morphing and easing. Required by all other effects.
Enables dragging functionality for any element.
Folds an element first horizontally and then vertically.
Displays a calendar from an input or inline for selecting dates.
Positions elements relative to other elements.
Highlights the background of an element in a defined color for a custom duration.
Allows groups of elements to be selected with the mouse.
Multiple file upload library with support for all major browsers. Many features such as drag & drop, auto & manual retry, file chunking, auto-resume, and more! Does NOT use Flash or Java. Highly configurable. A no-dependency version is ALSO available in the downloads section.