Compare software

Zabbix vs Naemon: catalog facts
Zabbix	Naemon
Free Free and open source under the AGPL. Support and services are paid.	Free Free community project.
Linux, Web, Self-hosted	Linux, Self-hosted
Scales to tens of thousands of monitored devices with proxies Large template library covering common hardware and services	Drop-in successor for Nagios users Bug fixes and performance work on the Nagios 4 core
Configuration is extensive; the learning curve is real Interface density makes simple setups feel heavy	Configuration follows the older Nagios style Needs a server to run on
Self-hosted	Self-hosted
Open source	Open source
License: AGPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.