1)   AMI Ultimate Screen Clock 2.0a.05
Integrate a digital or analog clock with your desktop, schedule reminders and other tasks up to a century in advance, keep your system clock accurate with an Internet atomic clock time server, display your clock as a screen saver and much more.

 2)   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.

 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)   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.

 5)   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.

 6)   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

 7)   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.

 8)   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.