1. pop!
Use pop! to create a simple pull-down menu! This is a not-noticeable jQuery plugin.
2. Bettertip
Allows you to create custom Tool tips for the JQuery plugin.
3. Ezpz Tooltip
Very simple to use the tooltip of the border, also can follow the mouse.
4. Bstip
A variety of simple tooltips, using fade and fade effects, and also have border wrapping.
5. Cluetip
Allows the display of a beautiful tooltip on the specified element when the mouse is suspended.
6. Inline HTML tooltip
Allows you to define a rich HTML effect of ToolTip, and can be embedded directly into your page, when you move the mouse to the link display.
7. Input Floating Hint Box
The rounded corner tooltip for the input frame. Fade in When you click on the input box and click on the other input box.
8. Orbital Tooltip
Using orbital Tooltip You can choose to display anywhere in the object. With multiple options and custom styles, orbital Tooltip is far more effective than other jQuery tooltips.
9. Jgrowl ToolTips
A JQuery plugin that can display information in a browser, something like the OS X S growl frame effect.
Vtip
Using the JQuery framework, any element that uses the Vtip class can convert the title attribute to a smooth, custom ToolTip without excessive load time.
Original English: http://www.jquery4u.com/plugins/10-awesome-jquery-tooltips/