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Traggo vs solidtime: catalog facts
Traggo	solidtime
Free Free and open source under the GPL-3.0 licence.	Free Free and open source to self-host; a hosted cloud version is also offered.
Web, Self-hosted	Web, Self-hosted, Browser extension
Flexible tagging instead of a fixed project and task structure Customizable dashboards with diagrams	Clean, modern interface Flexible billable rates
Must be self-hosted; there is no hosted version Tag-only model may feel loose if you want strict project hierarchies	No invoicing described in its feature list Self-hosting requires following separate guides
Self-hosted	Downloadable app, Self-hosted, Hosted service, Browser extension
Open source	Open source
License: GPL-3.0	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it 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 October 2, 2026

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