This script features an example of a simple drag and drop which can be customized and implemented on several system. It detects the browser and retrieves the mouse coordinates. There is a demo.
Developer: ehman Platform: linux, windows, freebsd, osx, sun Date upd:2007-02-06 Hits869 [Visit]

This script will allow you to have all of the links on a page change color when the mouse moves over them. Only works with IE4+ at this time.
Developer: javascriptcity.com Platform: Date upd:1999-12-23 Hits3170 [Visit]

Use this script to add a simple image trail to your webpage. A single image follows the mouse around, and is configurable in several useful ways.
Developer: javascriptkit.com Platform: Date upd:2003-06-09 Hits6821 [Visit]

Tired of the digital age? This script produces the face of an analogue clock with second, minute and hour hands, which follows your mouse around the screen. The effect is further enhanced as the face of the clock is transparent so that the web-page
Developer: RV Platform: linux, windows, osx Date upd:2006-03-02 Hits4569 [Download] [Visit]

Add some fun to your mouse cursor with this cross-browser trail script. Updated with several important features: 1) Script now functional in NS6. 2) User can specify explicit offset of trail from mouse cursor, preventing trailer from potentially interfering with links on the page.
Developer: dynamicdrive.com Platform: Date upd:2003-01-06 Hits24321 [Visit]