Cacti vs Grafana Loki

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

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FeatureCactiGrafana Loki
CategoryMonitoring & StatusMonitoring & Status
LicenseGPL-2.0AGPL-3.0
LanguagePHPGo
Setup difficultyMediumMedium
Min. RAM512 MB512 MB
Deploymentbare-metal, docker, sourcedocker, kubernetes, helm
GitHub stars★ 1,852★ 28,687
First released20012018
ReplacesPRTG, SolarWindsSplunk, Datadog Logs

Why pick each one

Choose Cacti if…

  • Mature and reliable
  • Detailed graph templates
Cacti details

Choose Grafana Loki if…

  • Cheap to run compared to full-text indexers
  • Familiar Prometheus-style labels
Grafana Loki details

Frequently asked questions

Is Cacti or Grafana Loki better?

Neither is universally better. Grafana Loki has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Cacti and Grafana Loki free and open-source?

Yes. Cacti is licensed under GPL-2.0 and Grafana Loki under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Cacti and Grafana Loki with Docker?

Cacti: yes. Grafana Loki: yes.

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