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Traggo vs Watson: catalog facts
Traggo	Watson
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the MIT licence.
Web, Self-hosted	macOS, Linux, Command line
Flexible tagging instead of a fixed project and task structure Customizable dashboards with diagrams	Projects and tags with filtered reports Quick start and stop commands
Must be self-hosted; there is no hosted version Tag-only model may feel loose if you want strict project hierarchies	Command line only Requires Python
Self-hosted	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
Not stated if an account is needed	No account needed
Not stated if it 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.