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Watson vs Timetrap: catalog facts
Watson	Timetrap
Free Free and open source under the MIT licence.	Free Free and open source.
macOS, Linux, Command line	macOS, Linux, Command line
Projects and tags with filtered reports Quick start and stop commands	Short abbreviated commands for fast check in and out Multiple named timesheets
Command line only Requires Python	Requires a Ruby installation Updates are infrequent
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
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.