Compare software

Cacti vs Munin: catalog facts
Cacti	Munin
Free Free and open source under the GPL.	Free Free and open source.
Linux, Web, Self-hosted	Linux, Self-hosted
RRDtool storage keeps years of graphs in a fixed amount of disk Mature template and plugin ecosystem for network devices	Useful graphs out of the box with little setup Over 500 plugins for common services
Interface and workflow feel dated next to newer monitoring stacks Alerting requires plugins rather than being built in	Five-minute polling interval, not real-time Stable release links on the homepage date from 2021
Self-hosted	Self-hosted
Open source	Open source
License: GPL-2.0	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 October 1, 2026

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