Nettime is a simple time synchronization client for Windows 95/98/200/Vista/7/10 and Windows Server 2003/2008/2012/2016 . It is very lightweight and uses very tiny system resource.
Here is some of main features and attributes of the Nettime application.
Freewhere we do not need to pay any price to install and use
Open Sourcewhere we can download the whole source code and make changes
Smallwhere it needs very little system resource
Reliablewhere works without interrupt and error
There are stable, alpha and testing versions of the nettime which can be downloaded from following links.