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NetXMS vs Zabbix: catalog facts
NetXMS	Zabbix
Freemium The open-source edition is free; enterprise capabilities and services are available…	Free Free and open source under the AGPL. Support and services are paid.
Self-hosted	Linux, Web, Self-hosted
Collects device and agent data Provides monitoring and management interfaces	Scales to tens of thousands of monitored devices with proxies Large template library covering common hardware and services
Enterprise services and editions have separate terms.	Configuration is extensive; the learning curve is real Interface density makes simple setups feel heavy
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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