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Floorp vs Horse: catalog facts
Floorp	Horse
Free Free and open source under MPL-2.0. The project asks for sponsorship but nothing in the…	Paid 14-day free trial, then USD 70 a year; a payment card is required for the trial.
Windows, macOS, Linux	Windows, macOS, Linux
Vertical tabs, workspaces, split view and web panels are built in rather than bolted on with extensions Firefox underneath, so Gecko, containers and Firefox add-ons all still work	Trails keep every page linked to the one that led to it Lets you resume research sessions across days
A small team rebasing on Firefox, so security updates arrive after Mozilla's, not with them Less-travelled code than Firefox itself, which means interface bugs the main browser does not have	Annual subscription with a card required for the trial Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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