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Timetrap vs Hamster: catalog facts
Timetrap	Hamster
Free Free and open source.	Free Free and open source under the GPL-3.0 licence.
macOS, Linux, Command line	Linux
Short abbreviated commands for fast check in and out Multiple named timesheets	Local time tracking with no account Packaged in Debian, Ubuntu and openSUSE
Requires a Ruby installation Updates are infrequent	Linux and GNOME only Fedora packages are outdated
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.