Comment by ajsnigrutin

Used it once, based on java, worked slow... reminded me of other "enterprise systems" of the era, big, clunky, java-based and slow.

https://docs.opennms.com/horizon/30/operation/admin/webui/da...

here are the screenshots

2/10, would not recommend. I liked zabbix a lot more, but then switched to nagios because "everyone else" was using it, and it was easier.