Mailcheck
Email domain spelling suggester
Flexi Color Picker
A pure JavaScript color picker - no images, external libraries, CSS or 1px divs.
jQuery.maskedinput
jQuery Masked Input Plugin
Garlic.js
Garlic.js allows you to automatically persist your forms' text and select field values locally, until the form is submitted. This way, your users don't lose any precious data if they accidentally close their tab or browser.
jQuery Steps
A powerful jQuery wizard plugin that supports accessibility and HTML5.
Fort.js
Modern progress bar for form completion.
Completely
A fresh take on autocompletion for a wonderful user experience
Progression.js
A jQuery plugin that gives users real time hints & progress updates as they complete forms
Hide Show Password
Because life's too short to waste time re-typing passwords.
G2 Plot
:dango: An interactive and responsive charting library
Formbuilder
[Needs Maintainer] Formbuilder is a small graphical interface for letting users build their own webforms.
jQuery Smart Auto Complete
AutoComplete plugin with smart defaults and flexibility to customize
Validate.js
Lightweight JavaScript form validation library inspired by CodeIgniter.
At.js
Add Github like mentions autocomplete to your application.
Unform
Performance-focused API for React forms 🚀
X Editable
In-place editing with Twitter Bootstrap, jQuery UI or pure jQuery
J Query Mask Plugin
A jQuery Plugin to make masks on form fields and HTML elements.