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diffnav vs icdiff: catalog facts
diffnav	icdiff
Free Free to download from GitHub.	Free Free software distributed under a GPL-compatible license.
Command line	Command line
File tree for moving between changed files Builds on delta's diff rendering	Shows differences in a side-by-side terminal view Highlights changes within lines
Terminal only Relies on delta for rendering	Requires a terminal that can display color for colored highlighting.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
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 September 24, 2026	Official website Full listing and sources Checked October 8, 2026

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