Jodit Editor is a beautiful and functional WYSIWYG HTML text editor with file browser out-of-box.
It's free for non-commercial use.
formBuilder is a jQuery plugin for drag and drop form creation.
pickList is a simple jQuery plugin that turns a regular multiple option select box into a side-by-side pick list with Bootstrap.
superplaceholder.js is a library to bring your input placeholders to life by cycling multiple instructions in a single input placeholder.
With Simple Select you can create custom styled select elements by using css and jQuery.
A tutorial about creating search form with advanced filtering options and quick link suggestions with CSS and jQuery.
characterCounter is a jQuery plugin to show limitation about your message characters.
A simple jQuery progress bar plugin for Bootstrap forms.
Carbon is an extendable and beautiful rich text editor in the browser. It is inspired by Medium Editor.
It is built on top of an internal model for an article that clients can translate to and from JSON and HTML.
Zebra_Transform is a lightweight, cross-browser (with IE6 support) jQuery plugin for replacing checkboxes, radio buttons and select boxes.
An animated opt-in box script with built in form validation to capture user emails. The script works in IE7+ and all modern browsers.
Dependent Dropdown is a jQuery plugin that enables to add and control multi level dependent dropdown lists. It works both with normal select options and select with optgroups as well.