Unifie is a fast, thumbnail-focused image viewer with dual viewing surface that lets you see two folders of images side-by-side for easy comparison.



feh is described as 'X11 image viewer aimed mostly at console users. Unlike most other viewers, it does not have a fancy GUI, but simply displays images. It is controlled via commandline arguments and configurable key/mouse actions' and is a Image Viewer in the photos & graphics category. There are more than 50 alternatives to feh for a variety of platforms, including Windows, Linux, Mac, Xfce and Flathub apps. The best feh alternative is IrfanView. It's not free, so if you're looking for a free alternative, you could try IrfanView or XnView MP. Other great apps like feh are XnView Classic, JPEGView, Preview and Imagine.
Unifie is a fast, thumbnail-focused image viewer with dual viewing surface that lets you see two folders of images side-by-side for easy comparison.



Imagot is an image viewer which aims to provide an open source alternative to Microsoft Photos or similar apps (and be multiplatform). It supports common image file types such as PNG, JPEG, SVG, etc.




Imagot is the most popular Android & Android Tablet alternative to feh.
Xee is an streamlined and convenient image viewer and browser. It is similar to macOS's Preview.app, but lets you easily browse the entire contents of folders and archives, move and copy image files quickly, and supports many more image formats.



Xee is the most popular commercial alternative to feh.
sxiv is a simple image viewer for X. It only has the most basic features required for fast image viewing.
Mirage is a fast and simple GTK+ image viewer. Because it depends only on PyGTK, Mirage is ideal for users who wish to keep their computers lean while still having a clean image viewer.




The Ristretto Image Viewer is an application that can be used to view, and scroll through images.




GPicView is a simple and fast image viewer with low memory usage. This little program is not aimed to be powerful or feature-rich. Its aimed to replace the default image viewer of current desktop systems.

Sequential is an image viewer for Mac OS X. It was originally designed for opening a folder of images and displaying them in order. It works well for viewing comics and manga.





Gimmage is a small gtk image viewer, perfect for command line usage as it accepts directories and image filenames as arguments. It also has a filechooser integrated into the main UI, making accessing images and directories a snap.
GImageView is a yet another image viewer which solves hopless situation under displaying a lot of images. It provides not only viewing image function but also managing image files function which looks like expolore of MS-Windows or tabbed web browser.



