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KDiff3jdDiff
Free

Free and open source under the GPL v2 or later.

 Free

The Flathub listing identifies the software as GPL-3.0.

Windows, macOS, Linux Linux
  • Compares and merges files and whole directories
  • Three-way merge for resolving version control conflicts
  • Compares individual files
  • Compares directories
  • Interface looks dated next to newer diff tools
  • Focused on text; no rich comparison of binary formats
  • Supplied package evidence is for Linux
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0-or-later License: GPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked October 8, 2026

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