Like feh but faster and simpler, and support for more formats. qeh - Actually fast and simple image viewer.qimgv - Fast and easy to use Qt5 image viewer.pqiv - GTK 3 based command-line image viewer with a minimal UI supporting images in compressed archives, rewrite of qiv.PhotoQt - Fast and highly configurable image viewer with a simple and nice interface.nsxiv - Simple image viewer based on imlib2 that works well with tiling window managers.It is feature-rich but starts fast and can be configured to show additional widgets or only the image.

Mirage - PyGTK image viewer featuring support for crop and resize, custom actions and a thumbnail panel.meh - meh is a small, simple, super fast image viewer using raw XLib.KuickShow - Fast and convenient image viewer for KDE.Koko - Image viewer designed for desktop and touch devices.imv - Lightweight image viewer with support for Wayland and animated GIFs which uses FreeImage.image-roll - Simple and fast GTK image viewer with basic image manipulation tools.Install the optional dependencies as needed. ida - X11 application (Motif based) for viewing images.Gwenview - Fast and easy to use image viewer for the KDE desktop.GPicView - Simple and fast image viewer for X, which is part of the LXDE desktop.Geeqie - Image browser and viewer (fork of GQview) that adds additional functionality such as support for RAW files.feh - Fast, lightweight image viewer that uses imlib2.EyeSight - Image viewer for the Hawaii desktop environment.Eye of MATE - Simple graphics viewer for the MATE desktop.Eye of GNOME - Image viewing and cataloging program, which is a part of the GNOME desktop environment.Ephoto - A light image viewer based on EFL.

Deepin Image Viewer - Image viewer for Deepin desktop.

CoreImage - Simple lightweight easy to use image viewer based on Qt.

Features include Vim-like controls, rotation and zoom, zoom-to-fit, and fast multi-threaded rendering.

jfbview - Framebuffer PDF and image viewer based on Imlib2.

fim - Highly customizable and scriptable framebuffer image viewer based on fbi.

fbv - Very simple graphic file viewer for the framebuffer console.

fbi - Image viewer for the linux framebuffer console.

See also Wikipedia:Comparison of image viewers.

1.5 Game and interactive application development.

Install darktable elementary os