jQuery Scrollable is a Free jQuery Plugin to scroll HTML. This Free jQuery Scrollable plugin makes an infinite loop from scrollable items. After reaching the last element navigation returns to the first element and vice-versa.
Free iPod Style Drilldown Menu Based on jQuery is created to help users traverse hierarchical data quickly and with control. It’s especially helpful when organizing large data structures that don’t translate well into traditional dropdown or fly-out menus.
MopSlider is a Free jQuery plugin that allows you to create beautiful sliders, these slides can contain any type of items. This Free jQuery Slider plugin is very easy to use, you just need to specify width and height of the container.
MopSlider allows to put multiple sliders on a page and you have freedom to place any type of content in your content slider.
Create Splash Pages and Promotions with Free jQuery Plugin, Meerkat, created by Jarod Taylor. Meerkat, depending on the options you have set, will slide or fade in from the top or bottom of the browser window and remain in its fixed position while the rest of the page will scroll normally.
Roundabout is a Free jQuery plugin that converts a structure of static HTML elements into a highly customizable turntable-like interactive area. It also gives freedom to change shapes as well.
An Awesome Free Image Lightbox Gallery using CSS3 & jQuery by Martin. The script is able to scan a folder of images on your web server and build a complete drag and drop lighbox gallery around it.
ppDrag is a Drag n Drop plugin for jQuery, which mimics the interface of jQuery UI’s Draggable. Currently supported is a small subset of its options, but the implementation is different (ppDrag focuses on performance). This Free Drag n Drop jQuery Plugin is a very fast.
Flot is easy to use, it is also advanced enough to be suitable for Web 2.0 data mining/business intelligence purposes, which is its original application.