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Araxis Merge vs Diffuse: catalog facts
Araxis Merge	Diffuse
Paid Commercial licence with a 30-day free trial.	Free Free and open source under the GPL 2.0.
Windows, macOS	Linux
Two-way and three-way file comparison and merging Folder comparison and synchronisation	Compares an arbitrary number of files at once Manual correction of line matching
Paid after the 30-day trial No Linux version	No directory comparison mentioned Interface is plainer than newer diff tools
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0-or-later
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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