jQuery UI Tooltip
jQuery UI Tooltip is a tooltip by jQuery UI. The Tooltips can be bound to any element. When you hover the element with your mouse, the title attribute is displayed in a little box next to the element.
Facebook Style Tooltip Plugin: Tipsy
Tipsy is a simple jQuery plugin for generating tooltips you see on Facebook application. It works on anchor tag’s title attribute.
Cluetip is a another very handy jQuery plugin that allows you to easily show a fancy tooltip when the user’s mouse hovers over OR clicks on an element to which tooltip is bound.
Toolbar.js is a JQuery plugin that allows to create tooltip style toolbars in web projects. It uses icons to show tooltip in the shape of toolbar. The toolbar can be easily customized using the twitter bootstrap icons or any other icons. The toolbars can displayed on either side of the element on which it is bound. You can bind as many toolbars as required. Toolbars have responsive behaviour and resize itself when the element is resized.
Grumble.js can add a bubble to any element. You can configure its rotation on a 360 degree axis and define its distance from the centre of the element.
PowerTip is easily customizablee jquery plugin and gives you a number of different ways to use the tooltips.
Tooltipster is a powerful, flexible jQuery plugin that enables you to easily create semantic, modern tooltips enhanced with the power of CSS.
Tooltipsy is jquery tooltip plugin that gives complete control over the CSS, animation and tooltip position.
Poshy Tip is a jQuery to create scaleable tooltip that supports advanced positioning and also support asynchronous loading of tooltip content.
Mini Tip is a lightweight and customizeable jquery tooltip plugin that supports fade in and out, custom delay for show/hide and support hover and click events.