Select or Die

Yet another jQuery plugin to style/replace select elements.

Chained

Simple chained selects. You can choose from two different versions. Normal version uses uses classnames of select options to decide content of child select. It does not make any external AJAX(J) queries. Remote version makes external query and builds the child select from returned JSON response.

Selecter

A jQuery plugin for replacing default select elements. Part of the Formstone Library.

jQuery Selectric

Fast, simple and light jQuery plugin to customize HTML selects

ImgAreaSelect – image selection/cropping plugin

ImgAreaSelect is a plugin for selecting a rectangular area of an image. It allows web developers to easily implement image cropping functionality, as well as other user interface features (such as photo notes).

bootstrap-tokenfield

Advanced tagging/tokenizing plugin for input fields with a focus on keyboard and copy-paste support.

jQuery Flexselect

jQuery plugin that turns select boxes into flex-matching incremental-finding controls.

Marco Polo

A jQuery autocomplete plugin for the discerning developer.

Nestoria Slider

Fully customizable sliders, Single/Double handles, Touch-enabled, and much more

HeapBox

Customizable replacement for html select (not only) with events, callbacks, themes and much more.