See also:

• Computers: Internet: Protocols: NTP  (22)
• Computers: Software: Internet: Clients: Time  (12)
• Reference: Time  (89)

Beagle Software - - NTP, Daytime timeserver and client software and hardware.

Brandywine Communications - - Offers advanced off-the-shelf and custom hardware time and frequency solutions including Network Time Protocol servers.

Elproma - - European manufacturer of NTP Time Servers.

EndRun Technologies - - Provider of time and frequency equipment including NTP Servers.

Galleon Systems - - Provider of NTP time synchronisation solutions using the MSF radio signal and GPS satellites.

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.

Meinberg USA - - Manufacturer of hardware Network Time Servers (NTP) for IPv4 and IPv6 networks.

National Physical Laboratory - Truetime/NPL Phoneclock - - Synchronization to UK time by telephone. This is the UK's national measurement laboratory.

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.

NIST Web Clock - - Shows the official US time in each time zone.

NTP with TymServer - - Hardware NTP time server manufacturer.

Open NTPD - - A mainly BSD implementation of the Network Time Protocol.

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.

Spectracom - - Manufacturer of hardware GPS clocks and NTP/SNTP servers. Legally traceable time.

Symmetricom, Inc. - - Manufacturer of time and frequency synchronization equipment, including NTP Servers.

Time Synchronisation - - Providing information about Time Synchronisation.

TimeTools - - Specializes in computer and network timing solutions. Using NTP for network time synchronisation in conjunction with MSF, DCF-77 and GPS time sources.

Wikipedia: Timeserver - - Some useful information about the basics of what a time server is.