Cortex vs Glances

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?
FeatureCortexGlances
CategoryMonitoring & StatusMonitoring & Status
LicenseApache-2.0LGPL-3.0
LanguageGoPython
Setup difficultyHardEasy
Min. RAM1,024 MB128 MB
Deploymentdocker, kubernetes, helmdocker, bare-metal, binary
GitHub stars★ 5,844★ 33,269
First released20162012
ReplacesDatadog, Grafana CloudDatadog

Why pick each one

Choose Cortex if…

  • Built for very large scale
  • True multi-tenancy
Cortex details

Choose Glances if…

  • Very easy to run
  • Lightweight
  • Good single-host overview
Glances details

Frequently asked questions

Is Cortex or Glances better?

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

Are Cortex and Glances free and open-source?

Yes. Cortex is licensed under Apache-2.0 and Glances under LGPL-3.0. Both can be self-hosted at no software cost.

Can I run Cortex and Glances with Docker?

Cortex: yes. Glances: yes.

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