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Rdfind vs rmlint: catalog facts
Rdfind	rmlint
Free Free software under GPL-2.0-or-later.	Free Free and open source.
Windows, macOS, Linux, Command line	Linux, Command line
Finds duplicates based on file content rather than filenames Default run creates a results file without removing files	Very fast duplicate detection on large file trees Finds empty files, empty folders and other lint as well
Windows use is through Cygwin	Mainly a command-line tool Aimed at Linux and Unix-like systems
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 24, 2026

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