“This plugin creates an accordion menu. It works with nested lists, definition lists, or just nested divs. Options are available to specify the structure, if necessary, the active element (to display at first) and to customize animations. The navigation-option automatically activates a part of the accordion based on the current location (URL) of the page.”

Demo · Download

2. jQuery qTip

“qTip is an advanced tooltip plugin for the ever popular jQuery JavaScript framework.

Built from the ground up to be user friendly, yet feature rich, qTip provides you with tonnes of features like rounded corners and speech bubble tips, and best of all… it’s completely free under the MIT license!”

Demo · Download

3. jQuery Boxy

“Boxy is a flexible, Facebook-style dialog box for jQuery with support for dragging and size tweening. It differs from other overlays I’ve seen by providing an object interface to control dialogs after they’ve been created.”

Demo · Download

4. jQuery Validator

A super easy way to double check forms using jQuery before they get rechecked and sent by a server side script.

Demo · Download

5. jQuery Tabs

“Here is a jQuery plugin that lets you create JavaScript tabs very easily – once you assembled the HTML with just one line of JavaScript code.”

Demo · Download

6. jQuery Lightbox

“jQuery lightBox plugin is simple, elegant, unobtrusive, no need extra markup and is used to overlay images on the current page through the power and flexibility of jQuery´s selector.”

Demo · Download

7. jQuery Coda Slider

The Coda Slider was originally made famous from the panic website but here’s a jQuery Demo and Download page.

Demo · Download