Smart Scroll (http://www.marcmoini.com/sx_en.html), the scrolling
utility that lets you use the same set of keys for scrolling in all
applications, to version 3.0. The upgrade adds support for Mac OS X
10.5.7 and Safari 4.
It also sports a new Hover Scroll feature for Cocoa applications and
support for Camino 2 and Firefox 3.5b. Smart Scroll 3.0 adds a “Lift
fingers to coast” trackpad option for Super Scroll, new trigger
options for Grab Scroll and new per-application settings.
Smart Scroll costs US$19 for a single-user license. It’s compatible
with Mac OS X 10.3.9 and higher.