PresenTense Time Server - Windows Time Server Supporting NTP and SNTP.
PresenTense Time Server is a high performance Windows time server supporting NTP and SNTP protocols. You can use PresenTense Server to synchronize your PC to a primary time source such as an atomic clock on the internet or an inhouse GPS reciever and offer time services to clients on your local area network. Most leading GPS and Radio hardware clocks are supported via the serial port. Supports Free Run - accurate time if reference clock fails.