alternative to PRTG Network Monitor
Nagios Core
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- nagios-4.5.142026-08-05Release 4.5.14
- nagios-4.5.132026-05-28Release 4.5.13
- nagios-4.5.122026-03-25Release 4.5.12
- nagios-4.5.112026-01-15Release 4.5.11
- nagios-4.5.102025-10-28Release 4.5.10
unsigned The latest release, nagios-4.5.14, carries no signature GitHub could verify.
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- PRTG Network MonitorHost and service checks with plugins and notifications, with a basic CGI web UI.Partial