Greasemonkey-esque plugin for Safari. Only there's no mention of any available scripts, no hints as to how one might get started writing scripts, so fuck knows whether it actually works.

The tab sidebar extension, if you haven't heard of it already, provides a sidebar in the browser that can act as a replacement to the main tab bar, with extras. The most obvious extra is that each tab includes a preview of the web page that is continually

Greasemonkey for IE.