OmniSync - an ntpd driver for those challenged by a firewall. It allows you to sync against the daytime service (port 13 tcp/udp), time (port 37 tcp/udp), SNTS, ICMP, SNMP, precision time protocol (PTP - IEEE 1588), (S)NTP via a socks5 proxy server, http and https (both also via proxy server). Maintained by FolkertvanHeusden