What are some alternatives?
When comparing eZ Server Monitor and Grafana, you can also consider the following products
PhpSysInfo - phpSysInfo is a customizable PHP script that displays information about your systems.
Prometheus - An open-source systems monitoring and alerting toolkit.
netdata - Real-time performance monitoring, done right
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Splunk - Splunk's operational intelligence platform helps unearth intelligent insights from machine data.