arbtt vs Ziit

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?
FeaturearbttZiit
CategoryTime TrackingTime Tracking
LicenseGPL-2.0AGPL-3.0
LanguageHaskellTypeScript
Setup difficultyMediumMedium
Min. RAM128 MB512 MB
Deploymentbinary, sourcedocker
GitHub stars★ 354★ 249
First released20092025
ReplacesRescueTime, ManicTime

Why pick each one

Choose arbtt if…

  • Released under the GPL-2.0 license
  • Written in Haskell
  • Tiny footprint — runs in 128 MB RAM
arbtt details

Choose Ziit if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in TypeScript
  • Lightweight — runs in 512 MB RAM
Ziit details

Frequently asked questions

Is arbtt or Ziit better?

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

Are arbtt and Ziit free and open-source?

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

Can I run arbtt and Ziit with Docker?

arbtt: check the project docs for container support. Ziit: yes.

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