Kimai vs TimeTagger

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?
FeatureKimaiTimeTagger
CategoryTime TrackingTime Tracking
LicenseAGPL-3.0GPL-3.0
LanguagePHPPython
Setup difficultyMediumEasy
Min. RAM512 MB128 MB
Deploymentdocker, bare-metal, sourcedocker, source
GitHub stars★ 4,871★ 1,769
First released20062021
ReplacesToggl, Harvest, ClockifyToggl, Harvest

Why pick each one

Choose Kimai if…

  • Mature and actively maintained
  • Strong invoicing features
Kimai details

Choose TimeTagger if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Active community (1.8k GitHub stars)
TimeTagger details

Frequently asked questions

Is Kimai or TimeTagger better?

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

Are Kimai and TimeTagger free and open-source?

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

Can I run Kimai and TimeTagger with Docker?

Kimai: yes. TimeTagger: yes.

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