- Lightbox 2
Lightbox is a simple, unobtrusive script used to overlay images on the current page. It's a snap to setup and works on all modern browsers.
- ThickBox 2.1.1
ThickBox is a webpage UI dialog widget written in javascript on top of the jQuery library. It's function is too show a single image, multiple images, inline content, iframed content, and content served through AJAX in a hybrid modal.
- Orangoo Labs - GreyBox
A pop-up window that doesn't suck.
- Prototype window
This javascript class allows you to add window in a HTML page. It has been tested on Safari, Camino, Firefox and IE6, Opera looks fine.