Compare software

Observium vs Cacti: catalog facts
Observium	Cacti
Freemium A free community edition is available. Professional and Enterprise editions are paid.	Free Free and open source under the GPL.
Linux, Web, Self-hosted	Linux, Web, Self-hosted
Autodiscovery means devices appear with graphs and inventory automatically Clean interface that stays readable with many devices	RRDtool storage keeps years of graphs in a fixed amount of disk Mature template and plugin ecosystem for network devices
The community edition receives releases far less often than the paid one Alerting and some features are in the subscription edition	Interface and workflow feel dated next to newer monitoring stacks Alerting requires plugins rather than being built in
Self-hosted	Self-hosted
Closed 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.