ALTERNATIVES (for monitoring)

https://goaccess.io/man

NodeQuery

FreshPing

UptimeRobot

icinga

https://checkmk.com/product/latest-version

https://www.opennms.com/opennms-platform/

https://www.netxms.org/ (java)

https://www.centreon.com/en/editions/

https://pingbreak.com/ - free, beta, need twitter account

https://hetrixtools.com/pricing/uptime-monitor/ 15 free

https://www.phpservermonitor.org/ open source

https://www.getapid.com/ api monitoring open source

https://cabotapp.com/ open source

https://signoz.io/ open source