Clock Tray Skins 

Clock Tray Skins is the advanced replacement for standard Windows tray clock. See the time, seconds, day, date and system UpTime in different skins. Over 50 skins are included in the distribution. It's also an atomic-time synchronizer and Calendar.
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WebTimeSync 

The WebTimeSync 6 time synchronizer connects to one of the NIST atomic clock time servers to synchronize your computer's clock.
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XPTuneup 

XPTuneup has been designed to tuneup and customize Microsoft Windows XP Professional. Increase Network Performance and download speeds, make your system work faster.
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Trout's Internet Clock 

Desktop Clock, Scheduler and Time Synchronizer. Liven up your desktop with clocks of any shape, size, color. Schedule multimedia, text reminders, run programs. Synchronize your system clock. Dynamic system tray icon, semi-transparent clocks.
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Time Sync Pro 

Time Sync Pro is an application that connects to one of the many atomic clock web servers, downloads the time to your PC and adjusts it. Time Sync Pro has many features including the automatic adjustment of your computer clock.
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AlarmWiz 

AlarmWiz is an easy to use reminder program and task scheduler which can play audio files, dial Internet connections, send emails, perform FTP transfers, launch programs, and more.
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