1)   1st Clock 4.0
See the date as well as the time in the tray clock in a way you want. Monitor PC performance. Show the calendar in one click. Never miss important events with reliable alarms! Keep an exact clock with atomic time. View the time in other time zones.

 2)   Skin Clock 1.8
SkinClock is the replacement for standard tray clock having skinned interface. You are able to select between multiple differently styled skins. It lets you showing date and calendar, adjust and synchronize time, create and run reminders

 3)   Atomic Clock Service 3.0
PC atomic clock synchronizer with some useful features (time offset, synchronize periods, etc.). This program uses the list of 19 presetting atomic time servers.

 4)   Admin Http Time Sync 1.1
The main purpose of the program is synchronizing PC clock using HTTP protocol. It works as NT Service so can be used under user login with restricted rights.

 5)   Alt Clock Synchronizer 1.5.017.1
ACS - atomic clock synchronization utility. Very simple and very usable. At the same time, many adjustable properties does the program very convenient in use. Forget about clock problems. With ACS you always will be assured in their accuracy!

 6)   Atomic Time Synchronizer 4.0
Atomic Time Synchronizer is a useful and handy utility to keep your PC clock accurate. It periodically checks and synchronizes your computer clock with NIST atomic time servers, or synchronizes time between computers.