A versatile jQuery plugin for displaying beautiful tooltips and interactive tours
jQuery plugin for keyboard event list traversing
jQuery plugin that enables both keyboard and mouse navigation and highlighting for items belonging to elements. For example, this plugin is good for highlighting table rows when you press the down key, as well as applying actions upon pressing the enter key (or any other key, configurable in the options) or clicking on a row.
Simple styled pre tag
Page Walkthrough is a flexible system for designing interactive, multimedia, educational walkthroughs.