Observium’s network monitoring software is mature platform with good documentation, but won’t export data from its Web interface. Open source network-monitoring tools continue to gain in ...

Observium. Observium is an autodiscovering network monitoring tool. According to the site, ... TclMon is network monitoring software written in platform-independent Tcl.

Because you use network devices that do not support anything else. If the OP is doing heavy network device monitoring, I think it's LibreNMS, Observium, etc. that do that right, but I have no ...