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NetXMS vs Cacti: catalog facts
NetXMS	Cacti
Freemium The open-source edition is free; enterprise capabilities and services are available…	Free Free and open source under the GPL.
Self-hosted	Linux, Web, Self-hosted
Collects device and agent data Provides monitoring and management interfaces	RRDtool storage keeps years of graphs in a fixed amount of disk Mature template and plugin ecosystem for network devices
Enterprise services and editions have separate terms.	Interface and workflow feel dated next to newer monitoring stacks Alerting requires plugins rather than being built in
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: GPL-2.0
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.