Mailcheck
Email domain spelling suggester
X Editable
In-place editing with Twitter Bootstrap, jQuery UI or pure jQuery
Datedropper
datedropper is a jQuery plugin that provides a quick and easy way to manage dates for input fields.
Fine Uploader
Multiple file upload plugin with progress-bar, drag-and-drop.
Pikaday
A refreshing JavaScript Datepicker — lightweight, no dependencies, modular CSS
jQuery Smart Auto Complete
AutoComplete plugin with smart defaults and flexibility to customize
Autosize
jQuery plugin for dynamic textarea sizing
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.
Sc Editor
A lightweight HTML and BBCode WYSIWYG editor
Darken
🌑 Dark mode made easy
Colorpicker
jQuery UI widget for color picking (similar to the one in Microsoft Office 2010).
Content Tools
A JS library for building WYSIWYG editors for HTML content.
Fort.js
Modern progress bar for form completion.