pqSelect is a jQuery select plugin which converts ordinary multiple and single select lists into theme ready jQueryUI widget with support for grouping, disabled options, checkboxes for multiple select lists, radio buttons for single select lists, search box to search options, keyboard navigation and many options, methods and events.
Bootstrap Fullscreen Select is a custom fullscreen select / multiselect for Bootstrap using buttons or User defined elements, designed for mobile devices. This plugin makes it super easy for a user to use the 'select' on small touch screen devices.
jqBootstapValidation is a jQuery validation framework for Bootstrap forms. jqBootstrapValidation will scan for HTML5 validator attributes directly on the elements, plus any extra options specified via data attributes
jQuery.filer is a simple HTML5 File Uploader, a plugin tool for jQuery which change completely File Input and make it with multiple file selection, drag&drop support, different validations, thumbnails, icons, instant upload, print-screen upload and many other features and options.
Bootstrap Switch is a jQuery plugin that turns checkboxes and radio buttons in toggle switches.
Insignia is a customizable tag input that is progressively enhanced, fast, easy to use, and reliable.
A tutorial about creating Expanding Search Bar with jQuery.
wysiwyg.js is a lightweight content editable jQuery editor which works with legacy browsers.
EasySelect is a jQuery plugin to present multiple select elements in easier way.
ArtDesignUI is a jQuery library for style control web elements (button, input, textarea, radio, checkbox, tab, layout, icons) that include 9 jQuery plugins.
Bootstrap Application Wizard is a jQuery plugin for Bootstrap that allows multi-step forms to progress in a natural order while remaining flexible. It works as a drop-in addon to bootstrap and requires little configuration outside of setting up the wizard modal itself.
Labelauty is a nice and lightweight jQuery plugin that gives beauty to checkboxes and radio buttons and allows custom labels for each status of (un)checked inputs.
Mask.js is a simple functionality that you can use to force user met a pattern into inputs.