jQuery Steps
A powerful jQuery wizard plugin that supports accessibility and HTML5.
Formbuilder
[Needs Maintainer] Formbuilder is a small graphical interface for letting users build their own webforms.
Taggle.js
Form-ready dependency-less tagging.
At.js
Add Github like mentions autocomplete to your application.
Really Simple Color Picker
Simple Color Picker written in jQuery.
Magicsuggest
Multiple Selection Combo Box using Bootstrap 3
Nod
jQuery plugin that gives you frontend validation for forms.
Behave.js
A lightweight, cross browser library for adding IDE style behaviors to plain text areas
Flexi Color Picker
A pure JavaScript color picker - no images, external libraries, CSS or 1px divs.
Filereader.js
A lightweight wrapper for the JavaScript FileReader interface
Alpaca
Easy HTML5 Forms for jQuery
Resumable.js
A JavaScript library for providing multiple simultaneous, stable, fault-tolerant and resumable/restartable uploads via the HTML5 File API.
Hide Show Password
Because life's too short to waste time re-typing passwords.
Progression.js
A jQuery plugin that gives users real time hints & progress updates as they complete forms
Codedoc
Create beautiful modern documentation websites.
Bootstrap Wysiwyg
Tiny bootstrap-compatible WISWYG rich text editor