Compare software

AllDup vs rmlint: catalog facts
AllDup	rmlint
Free Freeware, free for private users and companies.	Free Free and open source.
Windows	Linux, Command line
Many comparison methods, including similar images and music Scans inside ZIP, RAR and 7Z archives	Very fast duplicate detection on large file trees Finds empty files, empty folders and other lint as well
Windows only Closed source	Mainly a command-line tool Aimed at Linux and Unix-like systems
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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