Compare software

fdupesdskDitto
Free

Free and open source.

 Free

Free and open source under the Apache-2.0 license.

macOS, Linux, Command line Command line
  • Finds duplicates by file content
  • Interactive or automatic deletion
  • Interactive terminal interface for reviewing duplicates
  • Can find duplicates of a specific file
  • Terminal only, with no graphical interface
  • Deleting files needs care to avoid removing the wrong copy
  • Graphical interface is experimental and not included in the default build
Downloadable app Downloadable app
Open source Open source
License: MIT License: Apache-2.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked October 8, 2026

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