https://github.com/fujiapple852/trippy
https://cockpit-project.org/
https://www.robware.net/rvtools/
https://github.com/louislam/uptime-kuma
https://grafana.com/
http://gizmoware.net/bping/
https://my-netdata.io/
https://uptimerobot.com/
http://www.webworkerclub.com/forum/topic,112364,0.html#112367
http://collectd.org/
http://newrelic.com/
http://www.zabbix.com/
http://www.softperfect.com/products/networx/
http://www.internetvista.com/