Free jQuery Cascading Dropdown Plugins
All the Free jQuery Plugins about 'Cascading Dropdown' are listed here.
Chained Selects is a jQuery plugin for creating dependent dropdowns from JSON data that dynamically populates a set of select elements based on the previous selection.
FilterSelect is an extremely simple cascading dropdown (aka dependent dropdown) plugin that automatically shows/hides select options depending on the value of other select elements.
A lightweight jQuery plugin for creating a cascading dropdown that enables you to dynamically populate a set of select boxes based on the previous selection.
Bootstrap Cascader is a jQuery Cascading Dropdown (multi level dependent dropdown) plugin for the popular Bootstrap framework.
ssdCascadingDropDown is a jQuery plugin for creating dynamic cascading dropdowns which allow to show/hide select options depending on the changes of other select dropdowns.
linkedSelect is a jQuery plugin for creating dependent (cascading) dropdown lists that allow the user to select an option based on a previous selected option.