Portamento.js is a jQuery plugin that makes it simple to add sliding (aka "floating") panel functionality to your web page. All that's needed is some simple CSS and one line of JavaScript, and you're away! It works fine with floated and absolutely-positioned layouts, in all modern browsers and some not-so-modern ones too.   Portamento also has sensible behaviour if the user's viewport is too small to display the whole panel, so you don't need to worry about users not being able to see your imp

Taggd is a configurable jQuery plugin that help you create tags on images with, or without a popup.  

Fancy Scroll let you add an Overflow Scroll Effect like on iOS/Android but for your website.  

Jcrop is the quick and easy way to add image cropping functionality to your web application. It combines the ease-of-use of a typical jQuery plugin with a powerful cross-platform DHTML cropping engine that is faithful to familiar desktop graphics applications. Jcrop - Features: Attaches unobtrusively to images or block objects Supports aspect ratio locking Supports minSize/maxSize setting Callbacks for selection done, or while moving Keyboard support for nudging selection API features to

jQuery Upvote is a plugin that generates a voting widget like the one used on Stack Exchange sites.  

jQuery Lighter is a jQuery plugin created to provide zoomable content like other lightbox plugins.  

Rhinoslider is a multiple effects jQuery slider.  It can be used as a simple fading or sliding jQuery slideshow or as a rich effects jQuery slider. Each effect can be applied to run in different directions and it is possible to create individual effects by changing the settings.  

Mosaic jQuery Plugin is a jQuery plugin for sliding boxes with captions.   Mosaic jQuery Plugin - Features: Automatically generates sliding boxes & captions Allows slide & fade animations with custom directions Preloads images within boxes  

jQuery.TosRUs is a one-stop-shop jQuery plugin for scrolling/swiping through all different kinds of content. On a desktop, tablet or smartphone, inside a HTML element or as a lightbox popup. It's responsive by default.   jQuery.TosRUs - Features: Creates lightbox popup galleries just as easy as "inline" sliders. Works just as well on a desktop as it does on a tablet or smartphone. Responsive CSS interface for sizing and positioning. Drag or swipe to slide to the next/previous slide(s). Sl

Highlight Search Terms is a jQuery plugin which highlights search terms in referrer URL from Google, Yahoo, Bing and custom site.