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Otter Browser vs Konqueror: catalog facts
Otter Browser	Konqueror
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source as part of KDE Gear.
Windows, Linux	Linux
Brings traditional desktop browser controls into a Qt application.	Browser, file manager and FTP/SFTP client in one program Embedded previews for documents, images and text
Some planned features remain unfinished.	Fits best on a KDE Plasma desktop Smaller extension ecosystem than Chromium or Firefox
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
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 September 23, 2026

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