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Wdiff vs dwdiff: catalog facts
Wdiff	dwdiff
Free Free software under the GPL-3.0-or-later license.	Free Free and open source under GPL-3.0-only.
Command line	Command line
Shows changes at the word level Useful when paragraph reflow makes line-based differences hard to read	Shows differences at the word level Allows custom whitespace and delimiter handling
Requires the `diff` program	The --autopager, --terminal, and --avoid-wraps options are not supported
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-only
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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