Compare software

Diffinity vs DiffMerge: catalog facts
Diffinity	DiffMerge
Best for: Windows users reviewing and merging text or source code changes	Best for: Developers who want a free graphical diff and merge tool for version control
Free Freeware.	Free Free to use under SourceGear's freeware license.
Windows	Windows, macOS, Linux
Highlights changed lines, words, and characters Compares folders as well as text files All 3 strengths for Diffinity Highlights changed lines, words, and characters Compares folders as well as text files Supports syntax highlighting and portable use	Two-way diff and three-way merge with editable panes Side-by-side folder comparison All 4 strengths for DiffMerge Two-way diff and three-way merge with editable panes Side-by-side folder comparison Same feature set on Windows, macOS and Linux Windows Explorer right-click integration
Windows only Requires the .NET 8 runtime	Closed source freeware Infrequent updates
Downloadable app	Downloadable app
Not open source	Not open source
License not stated	License: Freeware
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Diffinity truehumandesign.se/s_diffinity.php Catalog checked October 8, 2026	Official website Full listing and sources Sources for DiffMerge sourcegear.com/diffmerge Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.