NetTime - nettime is a time & attendance software solution.
AboutTime - AboutTime is a superior source of time for your computer.
Meinberg NTP - NTP client and server download for different operating systems.
Atomic Clock Sync - download the free atomic clock sync config utility to optimize how your Windows pc receives updates from time servers
Chrony - Chrony is a pair of programs which are used to maintain the accuracy of the system clock on a...
Neutron - Neutron is a very simple and small time synchronizing program that retrieves the accurate time from...