Really Simple Slideshow is a jQuery plugin for creating image slideshows. Images are loaded dynamically as each one is required, allowing for larger slideshows without having to pre-load lots of images.
jQuery.carouFredSel is a plugin that turns any kind of HTML element into an infinite, circular carousel. It can scroll one or multiple items simultaneously, horizontal or vertical, automatically, by pressing buttons or keys on the keyboard.
CLEditor is an open source jQuery plugin which provides a lightweight, full featured, cross browser, extensible, WYSIWYG HTML editor that can be easily added into any web site.