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]

Display how much time has passed since an expired date with this rare script. Show your visitors how long your site has been online, for example.
Developer: dynamicdrive.com Platform: Date upd:2001-08-22 Hits6480 [Visit]

A live (real time) countdown script that countdown right to the second. You define the end date and time, and the script will dynamically update the countdown display every second.
Developer: tohzhiqiang.per.sg Platform: Date upd:2003-07-10 Hits12959 [Visit]

There are 3 scripts included in this package. The first countsdown in minutes to zero and alerts the user / redirects. The second does the same thing but can count down hours as well. The last one contains multiple countdowns which can be setup
Developer: Bespoke Software Solutions Ltd Platform: linux, windows Date upd:2006-08-29 Hits4581 [Download] [Visit]

A javascript countdown function that updates in real time and formats beautifully. It is coded to be almost identical to my PHP Countdown function in usage and format.
Developer: Nathan Bolender Platform: linux, windows, freebsd, osx, sun Date upd:2006-01-09 Hits9460 [Download] [Visit]