arbtt vs Hamster

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?
FeaturearbttHamster
Deploy effortRead-the-docs projectRead-the-docs project
Health score73 · Good49 · Fair
CategoryTime TrackingTime Tracking
LicenseGPL-2.0GPL-3.0
LanguageHaskellPython
Setup difficultyMediumEasy
Min. RAM128 MB128 MB
Deploymentbinary, sourcebare-metal, source
GitHub stars★ 361★ 1,126
First released20092008
ReplacesRescueTime, ManicTimeToggl, RescueTime

What are arbtt and Hamster?

arbtt

arbtt is an automatic, rule-based time tracker that samples active windows and lets users categorize activity afterward with flexible rules. All data stays local and is queried through command-line statistics tools.

  • Automatic window sampling
  • Retroactive rule categorization
  • Fully local data
  • Command-line statistics

Hamster

Hamster is a free desktop time tracking application that helps individuals record how long they spend on activities. It groups entries by category and produces simple overviews and exports of tracked time.

  • Activity categorization
  • Daily and weekly overviews
  • Local SQLite storage
  • Export to common formats

arbtt vs Hamster: key differences

Arbtt is written in Haskell, while Hamster is built with Python. Licensing differs — GPL-2.0 for arbtt versus GPL-3.0 for Hamster. Hamster has the considerably larger community, at 1,126 GitHub stars versus 361.

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 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

Frequently asked questions

Is arbtt or Hamster better?

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

Are arbtt and Hamster free and open-source?

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

Can I run arbtt and Hamster with Docker?

arbtt: check the project docs for container support. Hamster: check the project docs for container support.

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