feh
5.7#24 in photo viewer softwareFree planFree planLinux
Visit
feh suits Linux users who prefer keyboard-driven image viewing, command-line workflows, or configurable shell actions. It also fits users needing slideshows, thumbnails, contact sheets, EXIF access, or X11 backgrounds.
ImageGlass suits people who want a desktop viewer for varied image formats, with basic editing and metadata viewing. Pro may appeal to individuals or teams needing its extra viewing controls and commercial-use licensing.