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Falkon vs Catalyst: catalog facts
Falkon	Catalyst
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source under the MIT licence.
Windows, Linux	Windows, Linux
An ad blocker and a password manager are enabled out of the box, and it follows Plasma theming…	Small, minimal browser with a customizable interface Separate stable, beta and LTS release channels
The extension ecosystem is tiny compared with Chromium and Firefox, and releases are infrequent.	Small independent project with a much smaller team than mainstream browsers The v5 rewrite is still an early alpha
Downloadable app	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	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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