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Catfish vs FSearch: catalog facts
Catfish	FSearch
Free Free and open source as part of the Xfce project.	Free The open-source application is available without a license fee.
Linux	Linux
Simple, lightweight GTK interface Fast searches using locate	Instant indexed results with advanced query options
Linux and Unix only Depends on the locate database being up to date	Results depend on which folders have been indexed.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-2.0
No account 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 September 22, 2026

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