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.

The kmplayer switch sound files