Selectize.js

Selectize is a jQuery-based custom UI control. Useful for tagging, contact lists, country selectors, etc.

jQuery Knob

Nice, downward compatible, touchable, jQuery dial.

Colorbox

jQuery lightbox and modal window plugin

Magnific Popup

Fast, light, mobile-friendly and responsive lightbox and modal dialog plugin. Open inline HTML, ajax loaded content, image, form, iframe (YouTube video, Vimeo, Google Maps), photo gallery. Animation effects added with CSS3 transitions. For jQuery or Zepto.

Handsontable

Minimalistic spreadsheet-like data grid editor that provides copy/paste functionality compatible with Excel/Google Docs

iCheck

Highly customizable checkboxes and radio buttons (jQuery and Zepto). Features: identical inputs across different browsers and devices (both desktop and mobile), touch devices support (iOS, Android, BlackBerry, Windows Phone, Amazon Kindle), keyboard accessible inputs (Tab, Spacebar, Arrow up/down and other shortcuts), screenreader accessible inputs — (ARIA attributes for VoiceOver and others), customization freedom (use any … Continue reading

jQuery Wookmark

jQuery plugin for laying out elements of varying heights in a column-based grid. It also contains support for filtering and sorting items. A lot of examples are included showing how to use all the available options.

oriDomi

Fold up the DOM like paper.

App Framework UI plugin

jQuery plugin that enables jQuery use with App Framework UI.

CLNDR

CLNDR is a calendar plugin that uses HTML templates, allowing you to write custom markup and styles that have access to useful calendar data.