Compare software

feh vs nomacs: catalog facts
feh	nomacs
Free Free and open source under a variant of the MIT licence.	Free Free and open source under the GPL 3.0.
Linux, Command line	Windows, macOS, Linux
Fast and light, usable entirely from the keyboard Slideshow, thumbnail, list and multiwindow modes	Opens RAW camera files and Photoshop PSD documents Synchronises pan and zoom between two windows or two machines
X11 only Minimal interface with no editing tools	Not an editor; adjustments are minimal The interface exposes a lot of panels at once
Downloadable app	Downloadable app
Open source	Open source
License: MIT-feh	License: GPL-3.0
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 September 21, 2026

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