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Difftastic vs jd: catalog facts
Difftastic	jd
Free The open-source application is available without a license fee.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows, Command line
Syntax-aware comparisons across many languages	Structural diff of JSON values rather than plain text lines Can apply a diff as a patch
It can use substantial memory and does not produce applicable patches.	Command-line only, with no graphical interface No published GitHub releases
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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