Web Directory

» Absolute Time Server
   Russian based time server company (software).
   http://www.adjusttime.com

» Beagle Software
   NTP, Daytime timeserver and client software and hardware.
   http://www.beaglesoft.com

» Brandywine Communications
   Offers advanced off-the-shelf and custom hardware time and frequency solutions including Network Time Protocol servers.
   http://brandywinecomm.com/

» Elproma
   European manufacturer of NTP Time Servers.
   http://www.ntp-servers.com/

» EndRun Technologies
   Provider of time and frequency equipment including NTP Servers.
   http://www.endruntechnologies.com/

» Galleon Systems
   Provider of NTP time synchronisation solutions using the MSF radio signal and GPS satellites.
   http://www.galleon.eu.com/

» How to Configure an Authoritative Time Server in Windows XP
   Useful information on how to configure the win32time service which ships with Microsoft's server products.
   http://support.microsoft.com/kb/314054

» Meinberg USA
   Manufacturer of hardware Network Time Servers (NTP) for IPv4 and IPv6 networks.
   http://www.meinberg-usa.com/

» NIST Web Clock
   Shows the official US time in each time zone.
   http://www.time.gov/

» National Physical Laboratory - Truetime/NPL Phoneclock
   Synchronization to UK time by telephone. This is the UK's national measurement laboratory.
   http://www.npl.co.uk/server.php?show=ConWebDoc.995

» Network Time Protocol (NTP) Project.
   The official page for the NTP Project. Contains information about the project, reference implementations of the protocol and software links. Also links to the pool of public NTP servers.
   http://www.ntp.org/

» Open NTPD
   A mainly BSD implementation of the Network Time Protocol.
   http://www.openntpd.org/

» PresenTense Time Server
   Windows time server which synchronizes itself with any true time source, including GPS via rs-232 com ports and then acts as a time server for all network clients. Screen-shots, features list, documentation, and free 30-day demo version.
   http://www.bytefusion.com/products/ntm/pts/whatispresentenseserver.htm

» Spectracom
   Manufacturer of hardware GPS clocks and NTP/SNTP servers. Legally traceable time.
   http://www.spectracomcorp.com/

» Symmetricom, Inc.
   Manufacturer of time and frequency synchronization equipment, including NTP Servers.
   http://www.symmttm.com/products_network_timing.asp

» TimeTools
   Specializes in computer and network timing solutions. Using NTP for network time synchronisation in conjunction with MSF, DCF-77 and GPS time sources.
   http://www.timetools.co.uk

» Wikipedia: Timeserver
   Some useful information about the basics of what a time server is.
   http://en.wikipedia.org/wiki/Timeserver