jQuery

Scrolltab is a jQuery plugin that adds tabs visually associated to their position relative to the scroll bar. This enables a developer to attach floating tabs to the scrollbar of the brwoser that will scroll the user to the position indicated by the tab. This tab is expandable with content within.    

DTooltip is designed to be flexible and still very simple to use.    DTooltip - Features: Style the tooltip with pure CSS. Supports HTML in the tooltip. Works nicely in IE8+. Automatic handling of the psuedo elements creating the arrows.    

The Lucid Tabs jQuery plugin allows you to create tabs and corresponding pages with minimal markup and not a lot of JavaScript.    

Toolbar.Js allows you to quickly create tooltip style toolbars for use in web applications and websites. The toolbar is easily customisable using the twitter bootstrap icons and provides flexability around the toolbars display and number of icons.   Toolbar.Js - Features: Straightforward implementation with simple options Can run as many toolbars as required Toolbars can be attached to any element required Toobar icons are easily customised through the popular twitter bootstrap framework

Selectric is a jQuery plugin designed to help at stylizing and manipulating HTML selects   Selectric - Features: Keyboard navigation (Up/Down/Left/Right/Word search) Easily customizable Pretty lightweight (3,5KB minified and less than 2KB minified/gzip) Options box always stay visible Doesn't rely on external libraries (besides jQuery) Word search works with western latin characters set (e.g.: á, ñ, ç...)    

Tag Manager is a jQuery plugin to create tag input fields, which works nicely with Twitter Typeahead.js and Twitter Bootstrap.    

PowerTip features a very flexible design that is easy to customize, gives you a number of different ways to use the tooltips, has APIs for developers, and supports adding complex data to tooltips. It is being actively developed and maintained, and provides a very fluid user experience.    

Simpletoolip is a Jquery plugin, thought to insert short tooltips to any element of your website more easily.   Simpletoolip - Features: Jquery based Minimal configuration 12 functional positions no extra html structures, use "title" attribute cross-browser lightweight and fast download, less than 8Kb    

jQuery Open Carousel is an open and easy to implement carousel display made using jQuery. It supports linking to scroll to any slide, automatic generation of indicator circles, and pretty much any content will work inside of it. Multiple carousels can exist on one page without conflict. Many configuration options can be set dynamically using data attributes.    

Conveyor-Belt is a simple but well adjustable slideshow carousel jQuery plugin. There are plenty of configurations available, including transition types, image fits and slideshow speeds.