Icon Clock is a great looking digital alarm clock which doesn't take over your screen. It will now let you use any kind of sound files for its alarm, reminder, and chimes sounds! There are many display, sound, and alarm options, and even a screensaver.
Egg Timer
Egg Timer is a simple countdown timer that is sort of like the cooking timer you might find in many kitchens. You set a time in minutes, it counts down the time, and an alarm goes off when the time has elapsed.
Sarbyx TrayClock
Replacement of Windows tray clock, support Winamp skins
CoolTimeZone
CoolTimeZone is an easy, small, intuitive, unobtrusive scrolling time/date display ticker. It's loaded with customizable options including your own list of as many time/date locations as you want to watch.
Alpha Clock
AlphaClock is an tiny clock utility with miniature, but very nice and sharp LCD-style digital watch display. It allow choose any colors for display background and digits, or use any predefined color sheme.
ZoneTick
The ZoneTick download replaces Windows system clock with a multiple time zone clock, utilizing skins, alarms, and double-click actions for each timezone. A taskbar utility for anyone traveling or doing business overseas. Auto-daylight savings shift.