jQuery URLive lets you easily create a live preview of any URL base on its Open Graph properties and other details, similar to Facebook's post attachment.
This plugin works with
<a> tags and any other element with a URL on its content.
editTable is a lightweight jQuery Plugin that fill the gap left by the missing of a default input field for data tables.
jQuery editTable can be used both in AJAX and/or HTTP POST contest and let you preset the title and number of columns or just let complete freedom to the user.
AjaxStartDelay is a small jQuery plugin providing a delay to be set before the handler is called in jQuery's .ajaxStart()
Since the grid is a client-side solution loading data dynamically through Ajax callbacks, it can be integrated with any server-side technology, including PHP, ASP, Java Servlets, JSP, ColdFusion, and Perl.
Validetta is a tiny jQuery plugin which you can do client-side validation of your forms. It aims to decrease your burden with easy usage and flexible structure.
Pace makes a beautiful progress indicator for your page load and ajax navigation.
It will automatically monitor your ajax requests, event loop lag, document ready state, and elements on your page to decide the progress. On ajax navigation it will begin again!
Yadcf is a jQuery plugin that allows the user to easily add filter components to table columns, the plugin works on top of the DataTables jQuery plugin.
Feedback Me is a jQuery plugin allows user to easily add an animatable UI widget with a feedback form which slides from the side of the screen.
jScroll is a jQuery plugin for infinite scrolling. Infinite scrolling; also known as lazy loading, endless scrolling, autopager, endless pages, etc.;
This is the ability to load content via AJAX within the current page or content area as you scroll down. The new content can be loaded automatically each time you scroll to the end of the existing content, or it can be triggered to load by clicking a navigation link at the end of the existing content.
A simple and lighweight jQuery plugin for cascading dropdowns.
The plugin allows you to implement a cascading dropdown using multiple select boxes in which one select box depends on the input from one or more separate select boxes. Once one or all (depending on the configuration) required select boxes contain a value, it will trigger an event that will fire off the dependant select box so it will fetch its own list.
qTip2 is the second generation of the advanced qTip plugin for the ever popular jQuery framework.
qTip2 provides you with tonnes of features like speech bubble tips and imagemap support, and best of all... it's completely free under the MIT/GPLv2 licenses!
jQuery Steps is a smart UI component which allows you to easily create wizard-like interfaces. This plugin groups content into sections for a more structured and orderly page view.
Dynatree is a dynamic tree view plugin for jQuery with support for persistence, keyboard, checkboxes, drag'n'drop, and lazy loading.
Nice tutorial about creating an AJAX file upload form, that will let visitors upload files from their browsers with drag/drop or by selecting them individually.