Compare software

DiffMerge vs jdDiff: catalog facts
DiffMerge	jdDiff
Free Free to use under SourceGear's freeware license.	Free The Flathub listing identifies the software as GPL-3.0.
Windows, macOS, Linux	Linux
Two-way diff and three-way merge with editable panes Side-by-side folder comparison	Compares individual files Compares directories
Closed source freeware Infrequent updates	Supplied package evidence is for Linux
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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