Hamster vs Kimai

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

Not the right match-up?
FeatureHamsterKimai
CategoryTime TrackingTime Tracking
LicenseGPL-3.0AGPL-3.0
LanguagePythonPHP
Setup difficultyEasyMedium
Min. RAM128 MB512 MB
Deploymentbare-metal, sourcedocker, bare-metal, source
GitHub stars★ 1,127★ 4,871
First released20082006
ReplacesToggl, RescueTimeToggl, Harvest, Clockify

Why pick each one

Choose Hamster if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Active community (1.1k GitHub stars)
  • Written in Python
Hamster details

Choose Kimai if…

  • Mature and actively maintained
  • Strong invoicing features
Kimai details

Frequently asked questions

Is Hamster or Kimai better?

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

Are Hamster and Kimai free and open-source?

Yes. Hamster is licensed under GPL-3.0 and Kimai under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Hamster and Kimai with Docker?

Hamster: check the project docs for container support. Kimai: yes.

Related comparisons