3 kB minified jQuery to ease your work with content tabs.
Image Picker is a simple jQuery plugin that transforms a select element into a more user friendly graphical interface.
Ajax Autocomplete for jQuery allows you to easily create autocomplete/autosuggest boxes for text input fields.
A powerful slider for selecting value ranges, supporting dates and more.
Touch support included.
Trevor Davis made this plugin that allows you — surprise, surprise – to stick any element so it does not scroll off the view.
HTML5 Sortable is a jQuery plugin to create sortable lists and grids using native HTML5 drag and drop API.
Works in IE 5.5+, Firefox 3.5+, Chrome 3+, Safari 3+, and Opera 12+.
Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.