Compare software

Recoll vs FSearch: catalog facts
Recoll	FSearch
Free Free and open source under the GPL.	Free The open-source application is available without a license fee.
Windows, macOS, Linux, Browser extension	Linux
Handles an unusually wide range of formats, including mail folders Powerful query language with stemming, fields and proximity	Instant indexed results with advanced query options
Format support depends on external helper programs being installed The Qt interface is functional rather than polished	Results depend on which folders have been indexed.
Downloadable app, Browser extension	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is 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 22, 2026

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