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Otter Browser vs Falkon: catalog facts
Otter Browser	Falkon
Free The open-source software is available without a license fee. Hosting, hardware and…	Free The software is free under its open-source licence. Hosting, hardware and external…
Windows, Linux	Windows, Linux
Brings traditional desktop browser controls into a Qt application.	An ad blocker and a password manager are enabled out of the box, and it follows Plasma theming…
Some planned features remain unfinished.	The extension ecosystem is tiny compared with Chromium and Firefox, and releases are infrequent.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-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 September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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