Cacti vs Naemon

A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureCactiNaemon
CategoryMonitoring & StatusMonitoring & Status
LicenseGPL-2.0GPL-2.0
LanguagePHPC
Setup difficultyMediumHard
Min. RAM512 MB256 MB
Deploymentbare-metal, docker, sourcebare-metal, source
GitHub stars★ 1,852★ 170
First released20012014
ReplacesPRTG, SolarWindsSolarWinds, PRTG

Why pick each one

Choose Cacti if…

  • Mature and reliable
  • Detailed graph templates
Cacti details

Choose Naemon if…

  • Faster than classic Nagios
  • Reuses Nagios plugins
Naemon details

Frequently asked questions

Is Cacti or Naemon better?

Cacti is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Naemon if its specific feature set fits your needs better.

Are Cacti and Naemon free and open-source?

Yes. Cacti is licensed under GPL-2.0 and Naemon under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Cacti and Naemon with Docker?

Cacti: yes. Naemon: check the project docs for container support.

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