Nice Select is a lightweight jQuery plugin that replaces native select elements with customizable dropdowns.
Dropit is a jQuery plugin for single level dropdown menu's. Just simple and flexible dropdown's in jQuery.
A simple solution with jQuery to solve problems on long drop down menus. This technique is when you scroll down, the menu actually moved too.
Bootstrap Chosen is an alternate stylesheet for Chosen. This one is supposed to integrate better with Bootstrap 3.0.
Bootstrap Dropdown Hover is a simple plugin which opens Bootstrap dropdown menus on mouse hover, the proper way.
Bootstrap Dropselect is a simple jQuery plugin that extends bootstrap's dropdown menu into something like github's select menu.
A tutorial about creating responsive and easy to customise mega-dropdown component by using CSS and jQuery.
Dropy is a simple dropdown created by using SCSS and jQuery.
Enhancing functionality of dropdown menus. Added the following improvements:
Dropdown with multiple checkbox select created by using jQuery. Easy to use and adapt.
fuzzyDropdown converts a select box into a fuzzy searchable dropdown.
fuzzyDropdown proxies your interactions to the underlying
select box. Also, the dropdown is fully navigable via arrow keys.
DropKick.js is a jQuery plugin for creating beautiful, graceful, and painless custom dropdowns.
This is a multi-level drop down menu that's also a space saver, by stacking the sub menus on top of one another when revealed. CSS3 transforms are used for the transition effect between sub menu changes, though the menu is functional in legacy browsers as well, including IE8+.
Tendina is a super easy-to-use jQuery plugin to rapidly build dropdown side menus.