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nsxiv vs imv: catalog facts
nsxiv	imv
Free Free open-source software.	Free Free and open source.
Linux	Linux, Command line
Very small and fast Keyboard-driven with a thumbnail browsing mode	Native Wayland and X11 support Reads many formats including RAW, SVG and PSD
X11 only Configured by editing source and recompiling	No editing features Keyboard-driven interface with no menus
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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