AboutTime

NetTime

NetTime is a Simple Network Time Protocol (SNTP) client for Windows 95/98/Me/NT/2000/XP/Vista/7/Server 2003/Server 2008 (32 bit and 64 bit operating systems are both supported).

Open Source Free Windows

Chrony

Chrony is a pair of programs which are used to maintain the accuracy of the system clock on a computer. The two programs are called chronyd and chronyc.

Open Source Free Linux

Time-Sync

Time-Sync is a freeware software to synchronize the time of your system. The features of the software are: - Simple self-explanatory software- Configuration in a few steps- Runs as a windows service in the background without any tray-icons- Server &…

Free Windows

Meinberg NTP

NTP client and server download for different operating systems. GUI setup program, full HTML documentation, OpenSSL (Version 0.9.8l) DLL. The installer has been successfully tested on a Preview version of Windows 8 as well. This stable version is ba…

Free Windows

TimeSync

TimeSync gets the current time from a NIST server, and adjusts the PC clock if necessary. Accuracy is usually within a second. Time and date are displayed according to the users regional settings. TimeSync will try alternative servers, in case the t…

Free Windows

Network Time Protocol daemon

The Network Time Protocol daemon (ntpd) is an operating system daemon program that maintains the system time in synchronization with time servers using the Network Time Protocol (NTP). This package is the official reference implementation of the NTP…

Open Source Free Linux

Neutron

Neutron is a very simple and small time synchronizing program that retrieves the accurate time from one of several specialized time servers on the Internet. Once the network time has been retrieved the program can set your computers clock to match i…

Free Windows

Atomic Clock Time Synchronizer

Atomic Clock 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. Synchronizes time with NI…

Free Windows

Advanced Time Synchronizer

Advanced Time Synchronizer is a PC clock synchronizer. It works with time servers on the Internet, supports three time synchronization protocols, proxy servers, auto-dialing and more. Advanced Time Synchronizer connects to all the servers in the lis…

Commercial Windows

Dimension 4

Synchronize your PC's clock to within milliseconds of "real" time Use one of several available protocols: - SNTP- Time/udp- Time/tcp- HTTP Extensive list of the most popular SNTP time servers: - Including geographic location- Access policy- Contact …

Free Personal Windows

Network Time System

Network Time System is a time sync software package containing NTP Server and NTP client apps for Windows that provides a precise tool for synchronization of all devices on the network with zero configuration installation. Both time server and clien…

Commercial Windows

Desktop Atomic Clock

Desktop Atomic Clock is an atomic clock time sync software designed to keep your computer clock always accurate by synchronizing it with an atomic clock NTP server over the Internet. You can choose to sync the time automatically or to use the manual…

Commercial Windows

Atomic Clock Sync

Atomic Clock Sync utility can help you optimize how often Windows references an atomic clock server, such as the atomic clock servers operated by the National Institute of Standards and Technology (NIST) in the United States. Your current computer t…

Free Windows