NOCOL(Network Operation Center On-Line)/SNIPS is a system and network monitoring software that runs on Unix systems and can poll network and system devices. It is capable of monitoring nameservers, web ports, host performance, syslogs, radius servers, BGP peers, etc. New monitors can be added easily (via a C or Perl API).
You can download it from the following link: https://packetstormsecurity.com/files/download/12785/nocol-4.2.1.tar.gz
Source: https://packetstormsecurity.com/files/12785/nocol-4.2.1.tar.gz.html

