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