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Watson vs Timewarrior: catalog facts
Watson	Timewarrior
Free Free and open source under the MIT licence.	Free Free and open source software.
macOS, Linux, Command line	Command line
Projects and tags with filtered reports Quick start and stop commands	Time tracking without leaving the terminal Free and open source
Command line only Requires Python	Command line only, no graphical interface Takes some learning of its command syntax
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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