1)   Trouts Talking Internet Clock 2.3
Analog Desktop Clock, Scheduler, Time Synchronizer and Time Zone Viewer. Desktop clocks with any graphic. Schedule multimedia, text reminders, run programs. Text-to-Speech support with Microsoft Agent characters. Synchronize time with atomic clocks.

 2)   #1 Atomic Clock 1.0
Atomic Clock synchronizing application with some useful options (skinned, synchronize periods, work as Time Server, import time servers list, etc)

 3)   DS Clock 1.6
DS Clock is a digital desktop clock that displays variable date, time, and time zone information built from the format string. It allows you to fully customize its look and feel, and can synchronize your computer's clock with Atomic Time Servers.

 4)   Chronograph Lite 4.1
Chronograph is a simple award-winning program which synchronizes your local PC clock using atomic-time servers. It has an easy-to-use, nice-looking interface, so you can adjust your time with just two mouse clicks.

 5)   Desktop Atomic Clock 2.23
Desktop Atomic Clock is a program to synchronize your computer clock with an atomic clock over the Internet. You can choose to synchronize the time automatically or use the manual mode

 6)   SelfCron 2.20.0066
- Don't miss the happy hour, a bus, metro, plane, or train. - Be on time for meetings and appointments. - Keep your network's file system up-to-date. - Synchronize the clocks of your team. - Place last-second auction bits.

 7)   Time Zones Clock 2.1
Running on your PC Time Zone Clock will show you the local time of over 300 cities around the world. Simply select the cities you want to display the local time and they will be displayed on your desktop.

 8)   Chronograph 5.0
Chronograph is a simple award-winning program which keeps your computer's clock accurate using atomic time servers. It is able to replace the standard Windows clock in the system tray and uses Winamp skins for thousands of different styles.

 9)   Atom Time Synchronizer 3.7.9
AtomTime Synchronizer is a useful and handy utility to keep your PC clock accurate. It can periodically check and synchronize your computer time with a NIST atomic time server, or synchronize time between computers, and can also act as a time server

 10)   Trout’s Internet Clock 1.6
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.

 11)   HiClock Pro 3.19
HiClock Pro gives you an easy and thorough way to synchronize your system clock to the exact time using the Internet. It queries one of the National Institute of Standards and Technology timeservers, which then returns the correct standard time.

 12)   WebTimeSync 6.1
The WebTimeSync 6 time synchronizer connects to one of the NIST atomic clock time servers to synchronize your computer's clock.

 13)   Atomic Clock Sync 2.7.0.3
This freeware Atomic Clock Sync utility will keep your local computer up-to-date with the exact current time from an atomic clock server.

 14)   ClockDummy! 1.8
ClockDummy! is an atomic clock, which can say the time with a real human voice, and enhance your standard taskbar clock with custom graphics, month, and seconds. ClockDummy! is the ultimate addon to the standard taskbar clock and it's easy to use!

 15)   xReminder Pro 4.2
xReminder Pro is an elegant-looking event-based personal information manager that can help you remember birthdays, holidays, and other special events. It contains fully customizable Clock and can synchronize computer's clock with Atomic Time Servers

 16)   Time Sync Pro 1.2
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.

 17)   Atomic PC Clock 1.2
Atomic PC Clock allows you to make the most of your time! By using Atomic PC Clock, you will not be late for important appointments. Atomic PC Clock's intuitive user interface is ideal for both the novice and expert PC user.

 18)   PresenTense NTP Auditor 3.7
PresenTense NTP Auditor monitors your computer's built-in clock and compares it's time to the real time. PresenTense NTP Auditor can save logs for days, months and years so you can PROVE what time your computer had at any given point.

 19)   Always On Time 1.12
Always On Time is a Windows Internet utility that will connect to one of a dozen public atomic time servers and fetch the current atomic clock time value.