jQuery UI Sortable

Enables items in a list to be sorted using the mouse.

jQuery UI Drop Effect

Moves an element in one direction and hides it at the same time.

jQuery UI Menu

Creates nestable menus.

jQuery UI Resizable

Enables resize functionality for any element.

jQuery UI Explode Effect

Explodes an element in all directions into n pieces. Implodes an element to its original wholeness.

jQuery UI Mouse

Abstracts mouse-based interactions to assist in creating certain widgets.

jQuery UI Core

The core of jQuery UI, required for all interactions and widgets.

jQuery UI Bounce Effect

Bounces an element horizontally or vertically n times.

jQuery UI Effects Core

Extends the internal jQuery effects. Includes morphing and easing. Required by all other effects.

Fine Uploader

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.