Kimai vs Timewarrior

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?
FeatureKimaiTimewarrior
CategoryTime TrackingTime Tracking
LicenseAGPL-3.0MIT
LanguagePHPC++
Setup difficultyMediumEasy
Min. RAM512 MB64 MB
Deploymentdocker, bare-metal, sourcebinary, source
GitHub stars★ 4,871★ 1,637
First released20062016
ReplacesToggl, Harvest, ClockifyToggl

Why pick each one

Choose Kimai if…

  • Mature and actively maintained
  • Strong invoicing features
Kimai details

Choose Timewarrior if…

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • Active community (1.6k GitHub stars)
  • Written in C++
Timewarrior details

Frequently asked questions

Is Kimai or Timewarrior better?

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

Are Kimai and Timewarrior free and open-source?

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

Can I run Kimai and Timewarrior with Docker?

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

Related comparisons