Desktop Alarm Clock 2.0 (by YourNameHereNow.com)
This handy little utility will let you set an alarm to go off whenever you want.

LC ALARM CLOCK 1.0 (by Logiccode Softwares)
Use your Computer as an alarm clock.

Peter's Ultimate Alarm Clock 3.4.0 (by Peter's Productions)
Puac is an alarm clock program in the system tray and has lots of alarm options.

Atomic Alarm Clock 5 (by Drive Software Company)
Set your alarm clock and replace your standard tray clock using different skins.

Weather Alarm Clock 1.2.3 (by Respect Soft)
Get weather conditions, set your alarm clock and decorate your Windows clock

The PC Timer 4.0 (by Buffalo Software)
The PC Timer, an easy to use countdown timer and alarm clock.

Music Alarm Clock 2.0 (by Vioio Software Inc.)
Play MP3s, CD tracks, videos, MPEG movies with this Music Alarm Clock!

Computer Alarm Clock 2.12 (by Computer Alarm Clock Software PC Team)
Computer alarm clock with a very cool interface and very easy to use.

Alarm Clock 1.0.62 (by WorkHorse Games)
This program is a customizable alarm clock with multipul alarms.

Convenient Clock 1.1 (by Tommi Kiviniemi)
Convenient Clock is a small, fast and free MP3/OGG/WAV alarm clock.

Ace Clock XP 2005.8.770 (by ECREW Developers)
Style time to suit your taste with this versatile speaking desktop clock

Minute Timer 1.6 (by S & M Design Services)
This is a tiny count down timer program built completely in assembly language.

Chronograph 5.1 (by AltrixSoft)
Chronograph keeps your computer's clock accurate using atomic time servers.

XNote Stopwatch 1.40 (by dnSoft Research Group)
Digital stopwatch and countdown timer utility for your computer's desktop

happy clock 2.7 (by Insoft)
Manage Your Time Better Than Ever Before!