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Galleriffic is a jQuery plugin that provides a rich, post-back free experience optimized to handle high volumes of photos while conserving bandwidth.    Galleriffic - Features: Smart image preloading after the page is loaded Thumbnail navigation (with pagination) jQuery.history plugin integration to support bookmark-friendly URLs per-image Slideshow (with optional auto-updating url bookmarks) Keyboard navigation Events that allow for adding your own custom transition effects API for con

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.  It doesn't only work on a <textarea> or <input> it also works on <a> tag and any element with a URL on its content. It's pretty lightweight as data fetching is done asynchronously via AJAX. It also doesn't require any back-end or PHP file to crawl and get the data as it uses YQL to query and make request on other domains.  

jQuery.fullContent is a full window jQuery plugin.    jQuery.fullContent - Features:  Create fully containers with width and height of window Dynamic position: Each container could have vertical and horizontal position set History hash in URL Scroll animation between containers Simple configuration and easy use  

Hashslider is a jQuery-based slider plugin which does what the most jQuery-sliders do, but adds a hashtag to the window location, so you can link to any content / position of the slider.   Hashslider - Features: direct links to sliderpostion via hash tag easy to implement fully customizable free for everyone responsive (based on your css)  content could be anything optimized for large amount of slides  unique hash-names  navigate by mousewheel  autoslide  autoslide time marker   

EasyTabs creates tabs with all the functionality, no unwanted changes to your markup, and no hidden styling. Unlike jQuery UI tabs, which style and arrange your tabs and panels for you, this plugin handles only the functionality of the tabs. By leaving the styling and layout up to you, it is much easier to style and arrange your tabs the way you want.   What EasyTabs Does: Creates tabs from an unordered list, which link to divs on the page Allows complete customization of appearance, layout

jQuery Validation Plugin makes simple clientside form validation easy, whilst still offering plenty of customization options. It makes a good choice if you're building something new from scratch, but also when you're trying to integrate something into an existing application with lots of existing markup. The plugin comes bundled with a useful set of validation methods, including URL and email validation, while providing an API to write your own methods. All bundled methods come with default erro