Compare software

KDiff3JuxtaCode
Free

Free and open source under the GPL v2 or later.

 Paid

Paid app with a free trial, also sold on the Mac App Store.

Windows, macOS, Linux macOS
  • Compares and merges files and whole directories
  • Three-way merge for resolving version control conflicts
  • Compare any two commits or branches side by side
  • File history that follows renames and moves
  • Interface looks dated next to newer diff tools
  • Focused on text; no rich comparison of binary formats
  • macOS only
  • Paid after the trial
Downloadable app Downloadable app
Open source Closed source
License: GPL-2.0-or-later License not stated
No account needed Not stated if an account is needed
Works offline Works offline

Checked October 1, 2026

Checked October 2, 2026

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