NetTime - nettime is a time & attendance software solution.
Zizzle Inventions - The STEM game for kids 3-7
Meinberg NTP - NTP client and server download for different operating systems.
Tinker Crate - Birchbox for STEM-themed DIY projects [for kids 9-14]
Atomic Clock Sync - download the free atomic clock sync config utility to optimize how your Windows pc receives updates from time servers
Kiwi Corner - Tech