This is a "universal" count down script that lets you count down to absolute events whereby the target date/time needs to be specific to a certain time zone, such as the date/time of the next Solar Eclipse.
Developer: Dynamic Drive Platform: linux, windows Date upd:2006-06-13 Hits3011 [Visit]

This Script will set a time limit to the time someone can see a speccific page of yours. Remaining time is constantly displayed in the status bar. After time expires user is forced to change page.
Developer: geocities.com Platform: Independent Date upd:1999-08-22 Hits9509 [Visit]

Features: 1. Displays as "X days XXh XXm XXs" 2. Extremely easy to install 3. No modification of any javascript needed! 4. User adds script tag in head section, then adds an ID to a HTML tag, done! 5. Effortlessly supports multiple countdown timers
Developer: Andrew Urquhart Platform: Date upd:2005-02-07 Hits14883 [Download] [Visit]

Certain situations call for the refreshing of the webpage every few seconds/ minutes (such as a webcam page). Use this script to carry out the task in a graceful, "visual" manner.
Developer: dynamicdrive.com Platform: Date upd:2001-08-22 Hits18988 [Visit]

Cool Count-up is a DHTML script that allows you to place a customizable digital stopwatch on a web page. Includes
Developer: codehouse.com Platform: All Date upd:2004-05-10 Hits3849 [Visit]