Atomic Alarm Clock
Alert yourself about important events with different alarms and replace your Windows tray clock using different skins. Computer alarm clock that will play a MP3 file. It also can run a program, log off, reboot, shut down, or power off. Atomic Alarm Clock also an atomic-time synchronizer and... This computer alarm clock is built into your personal PC and is completely customizable. ... Nice Computer Alarm Clock! ... Support Longhorn clock style. ... See the time, seconds, day, date and system UpTime in different skins.
http://www.drive-software.com/download/ataclock.zip - 1Mb - Download - Screenshot

Convenient Clock
Convenient Clock is a small, fast and free alarm clock. Plays MP3, MP2, MP1, OGG and WAV sound files, and has a beep alarm function for computers without a sound card. Convenient Clock can also run a program at alarm, and display a custom reminder message. ... Waking up to MP3s has never been this convenient! ... Minimizes itself to the system tray and supports both 24-hour and AM/PM time formats. ... Also has an egg timer feature for shorter-term alarms.
http://bart.sm.luth.se/~tomkiv-9/C...lock/ConvenientClockInstaller.exe - 228Kb - Download - Screenshot

Talking Alarm Clock
This program lets your computer remind you of important dates and events. It uses Microsoft® Agent to show a talking animated alarm. The alarm can also play any sound you choose and includes a handy snooze button. An alarm can be set to go off once, daily, weekly, monthly or annually, with very... The New Alarm Wizard makes adding an alarm fast and easy. ... Talking Alarm Clock's windows are easy on the eye, with soft colors and gentle transitions. ... There's also help balloon that shows a full explanation of each part of the Alarm Clock window.
http://www.cinnamonsoftware.com/files/AlarmClockSetup.exe - 7Mb - Download - Screenshot

Parallaxis Cuckoo Clock
Computers can be boring and mundane, why not spice it up a bit, with a new Cuckoo Clock. There is a lot of breathtaking graphics on Cuckoo Clock - classical clock, futuristic clock, office clock, even Big Ben is included! This program is all your timekeeping needs in one package: see the time... Customize alarm/clock sounds and messages. ... This software makes a refreshing change to the normal mundane PC clock, why not try it yourself. ... Download a lot of free themes, skins and collection.
http://www.pxcompany.com/download/cuckoo/cuckoo_en.exe - 2Mb - Download - Screenshot

PC Alarm Clock
PC Alarm Clock is a program that can make your computer to work just like an alarm clock. This alarm clock, timer and reminder software is loaded with features that will ease you into the beginnings and endings of your day. The multi-alarm can be set for many different wake up times, and you... With the sleep and slumber feature, you can listen to music while falling asleep without the worry of having to turn off the computer, PC Alarm Clock will play MP3 songs and music with fade out effect and automatically shuts off your computer.
http://www.coyee.com/pacsetup.exe - 751Kb - Download - Screenshot

Wake up News Alarm Clock 2006
Loud MP3 computer alarm clock guaranteed to wake you up! Can even go online and load newspapers and resumes your computer from stand-by. Other features include sleep to music, MP3 support as long as cool preset alarm clock sounds.
http://www.wakeupnews.com/wakeup.exe - 0b - Download - Screenshot

1st Clock
Ever dreamed of the taskbar clock displaying date? What about powerful alarms? Atomic time synchronization? Popup calendar? Time in different time zones? All these features and more are available in 1st Clock! Customize clock display You can setup 1st Clock to display any date and time... You can easily transfer alarms between computers with the alarm backup/restore feature in 1st Clock. ... 1st Clock supports SNTP and DayTime protocols and SOCKS and HTTP proxy servers. ... Upcoming alarms are displayed in the clock tooltip.
http://www.1stclock.com/download/1stclock.exe - 1Mb - Download - Screenshot

MP3 PC Alarm Clock
MP3 PC Alarm Clock is a program that can make your computer to worked just like an alarm clock. This computer alarm clock software is loaded with features that will ease you into the beginnings and endings of your day. The multi-alarm can be set for many different wake-up times, and you have the... Using the sleep and slumber feature, you can listen to music while falling asleep without the worry of having to turn off the computer. ... This feature will play MP3 songs and music with fade out effect and automatically shuts off your computer.
http://www.coyee.com/pasetup.exe - 642Kb - Download - Screenshot

WakeMeUp!
WakeMeUp! is an advanced alarm clock software for PCs with Windows 2000/XP/2003srv OS installed. For now, all PC alarm clocks rely either on Windows Task Scheduler or their own timers and work only when they are running. WakeMeUp! implements a much more convenient approach. ... can be used as an alarm clock with almost unlimited abilities, a simple and very reliable reminder. ... It's also capable of executing a command line (start a program or open a file) as alarm notification. ... It can resume your computer from any Stand By mode (S1 or S3) at specified date/time.
http://www.highspheres.com/downloads/wakemeup.exe - 3Mb - Download - Screenshot

Computer Alarm Clock
With this Computer Alarm Clock software, you can give yourself reminders of important events that happen throughout the day, or wake up/fall asleep by listening your favorite music. It is an alarm clock that is built into your personal PC and is completely customizable to your tastes. ... There is also a gentle wake up feature that allows you to be slowly awakened (Fall asleep) by the alarm sound gradually getting louder or smaller, instead of being jerked awake by the loud buzzing of a traditional alarm.
http://www.tarsoft.com/ca_setup.exe - 775Kb - Download - Screenshot