This script requires a webserver that has GD already enabled and you can have your own PHP GD countdown! Visit BizzarScripts.net for an example of what it can do. You can change the variables to select a date, as well as change the background
Developer: Brad Derstine ( aka Bizzar ) Platform: Date upd:2007-01-25 Hits5418 [Download] [Visit]

Simple script where you set the time and date of an event and you will get the number of seconds, minutes, hours, days, months, years left till that event. Time to install the script: 30sec + upload :)
Developer: Lukaslo Platform: linux Date upd:2006-08-03 Hits2975 [Visit]

If you love simple, or just like to have some more Flash on your site, then this is the option. Sure, it's not the best, and it's not the most original, but who cares. It's 100% customized anyway. Documentation inside the file. Online with
Developer: Gary Kertopermono Platform: Date upd:2005-05-22 Hits6007 [Download] [Visit]

Eventive is similar to a shoutbox, only, instead of entering a message users enter an event and the script then displays how long is remaining until that event on the page the script is on (designed to be viewed in a iframe), It is
Developer: andrew-w.co.uk Platform: Date upd:2004-05-11 Hits4205 [Download] [Visit]

It allows you to set a certain date and when that date is reached it pops up a message. Planet K used it for a new year countdown and on the 31st of December at 12 o'clock GMT is poped up and said "HAPPY
Developer: Planet K Platform: windows Date upd:2005-09-13 Hits4354 [Download] [Visit]