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Katalog vs NeoFinder: catalog facts
Katalog	NeoFinder
Free Free and open source under the GPL-3.0-or-later licence.	Paid Paid licence, with a discount for users switching from Media Pro.
Windows, macOS, Linux	macOS, iOS
Searches files on drives that are not currently connected Compares catalogs and tracks storage devices, including backup drives	Catalogs offline drives, optical discs, LTO and network volumes Stores thumbnails and metadata for searching later
Built on KDE libraries, so it may pull in extra dependencies on other desktops Small project with a niche purpose	Apple platforms only Paid licence required
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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