Cacti vs Apache SkyWalking

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?
FeatureCactiApache SkyWalking
CategoryMonitoring & StatusMonitoring & Status
LicenseGPL-2.0Apache-2.0
LanguagePHPJava
Setup difficultyMediumHard
Min. RAM512 MB2,048 MB
Deploymentbare-metal, docker, sourcedocker, kubernetes, helm
GitHub stars★ 1,852★ 24,915
First released20012015
ReplacesPRTG, SolarWindsNew Relic, Datadog

Why pick each one

Choose Cacti if…

  • Mature and reliable
  • Detailed graph templates
Cacti details

Choose Apache SkyWalking if…

  • Full observability suite
  • Strong Apache governance
Apache SkyWalking details

Frequently asked questions

Is Cacti or Apache SkyWalking better?

Neither is universally better. Apache SkyWalking has the larger community, while Cacti is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are Cacti and Apache SkyWalking free and open-source?

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

Can I run Cacti and Apache SkyWalking with Docker?

Cacti: yes. Apache SkyWalking: yes.

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