iCarousel is an open source (free) javascript tool for creating carousel like widgets. With iCoarousel you can create Simple news tickers, a Horizontal images scroller, a Vertical images scroller, a Vertical text scroller, a Horizontal image slider. iCarousel is fully configurable. You can change any default option just initializating the class with an object in JSON.
“PHOCOA is a PHP framework for developing web applications. PHOCOA’s primary intent is to make web application development in PHP easier, faster, and higher-quality. The framework handles most of the “dirty work” of web application development by providing infrastructure for all of the common tasks. Most of your time writing PHOCOA apps will be spent designing your GUI and writing application-specific logic rather than dealing with form data, database calls, etc.”
Wings is a web application framework based on Java Servlets, resembling the Swing API with its MVC paradigm and event oriented design principles. It utilizes the models, events, and event listeners of Swing. Like in Swing, components are arranged in a hierarchy of containers, whose root container is hooked to a frame.
When you want to create a sliding menu with the MooTools Framework, this one is your place to start.
Elements is a down to earth CSS framework. It was built to help designers write CSS faster and more efficient. This framework is like a template which has all of the things you end up typing in over and over for every website you create. It is very lightweight, with only 4 files.
The carousel component manages a list of content (HTML LI elements within a UL) that can be displayed horizontally or vertically. The content can be scrolled back and forth with or without animation. The content can reference static HTML content or the list items can be created dynamically on-the-fly (with or without Ajax).
This is an article with everything you have to know about “pretty URLs”. But beware: It is an article for advanced users - not beginners. 
blackbox is an unobtrusive, in MooTools written JavaScript class, that turns a simple unordered image list into a magnificent slideshow.
With MOOdalBox you can display remote content loaded using AJAX, web 2.0 style, in an inline popup window. It is written for the mootools framework.
It can be used to display some help document, an extra options page, a registration form, etc. It eliminates the need of classic popup windows, that may get blocked by popup blockers.
