imgcurses is a smart console based image viewer.
Imview is both an image viewing and an image analysis application that works under Unix/X11 (that includes Linux) and Windows (all versions from win95).A Mac OS/X is also forthcoming.
An image viewer for KDE. Main features include DnD support, catalog view (different preview sizes), view a whole directory of images at once, have all pictures shown automatically and more.
An image viewer for KDE 3.2 with OpenGL support. it is a small, simple, fast viwer with external decoders, filters for filemanager, and flexible external tools.
A very fast image viewer, that lets you easily browse large galleries. A builtin filebrowser and manager is also available.
Look at the stars
Look at the stars is an extended image viewer for Linux that combines the easy use of GQview and features from Photogroup and CompuPic. It supports colored backgrounds, image manipulation, and more.
Lumee is an image viewer designed around browsing folders of images.
MaPiVi is a picture viewer and organizer for UNIX, Mac OS X and Windows written in Perl/Tk. Mapivi is also able to display meta infos of JPEG pictures, like EXIF, comments and IPTC/IIM infos. MaPiVi is a stand alone tool, there is no need for a web server, online access or a database. Read more
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.
ncpicview is a very simple picture viewer for ncurses.
NeonView is a minimalist, lightweight image viewer written in C and GTK, completely free and open-source. It supports many image formats, including JPG, PNG, SVG, GIF or TGA (any format supported by gdk_pixbuf)
nomacs is a small, fast image viewer which is able to handle the most common image formats including RAW images. Additionally it is possible to synchronize multiple viewers. A synchronization of viewers running on the same computer or via LAN is possible. It allows to compare images and spot the differences (e.g. schemes of architects to show the progress).
pho is a lightweight program for viewing large numbers of images quickly, rotating or deleting some, and making notes about what to do with each image.
A digital photo album that features a presentation mode and hotspots.
PhotoQt is a simple, yet powerful and good looking image viewer, written in Qt.
Phototonic is an image viewer and organizer, developed on GNU/Linux in C++ and Qt.
An image viewer which uses the KDE libraries. PikView can read the following image types: png, jpeg, tiff, gif, netpbm (and via the ImageMagick library - eps, pict, dcx, pcx, mif, bmp, viff, pnm).
Preview is an application that can be used to display images. It is designed to be easy to use and will support all GNUstep features (images design support, pasteboard/services, printint and layout...). It tries to follow the NeXTSTEP spirit.
pymfvu is a WMF/EMF file viewer. It was started to prepare new Windows Metafile and Enchanced Metafile filters for sK1 and Uniconvertor. Most of the Metafile features are covered, but EMF+ isn't implemented yet.
Pynorama is an image viewer which is tailored for viewing comics. It lacks any image editing capabilities.
Qt View Pic
Qt View Pic is a 'full screen' picture viewer. The menu interface hides if the mousepointer leaves the menu.
QtVu, pronounced CuteView, is an image viewer for The X Windows system. It is inspired by ACD System's excellent ACDSee.
Quick Image Viewer
Quick Image Viewer is a compact GDK/Imlib based image viewer.
An image viewer based on TrollTech's Qt Toolkit! QVV is small, simple & handy. QVV allows you to browse directories with lynx-like interface, view images browse next/prev image while showing image window or in the directory list, multiple image windows and directory browsers can be opened/closed with a single key, panning easy with arrow keys or mouse and few other things as well. QVV is only few hundred lines of source code and handles as much file formats as Qt does -- JPEG (all sorts of jpegs that jpeglib supports), PNG, GIF, XPM and more...
qxv is a basic image viewer, with an interface as close as possible to the old and unmaintained xv.
Ristretto is a fast and lightweight picture-viewer for the Xfce desktop environment.
An image viewer for X11. It can open images from local disks or from the Internet via the HTTP protocol. It can create the image lists and recognize images from HTML documents.
shim is a shell based utility to show images of various formats, it needs the SDL and SDL_image libraries. Depending on your SDL_image library it will support the following formats:png, lbm, jpg, tif, gif, pcx, tga, bmp, pnm, xpm, xcf.
ShowImg is a feature-rich image viewer for KDE including an image management system. It is highly configurable and supports numerous image formats.
SlideViewer is an automatic picture viewer. Just point SlideViewer at directories containing images, and it displays the images as a slide-show.
slideshow+ will display a series of images and play a series of individually associated sound files. slideshow+ can display any graphic file that Imlib can handle and play any sound file that sox can handle.
SMPEG is based on a modified version of the Independent JPEG Group's library for JPEG image manipulation and freely available source code for ADPCM audio compression. Based on our initial work, SMJPEG is able to create and display motion JPEG files in a custom open format.
A small and fast image viewer using the gtk+ widget set and gdk-pixbuf with an aim to be an ACDSee Classic clone of sorts.
SVGpage is a pyGTK application to view and convert to and from vector (SVG) graphics. In addition to SVG files the application is able to open PNG, GIF, JPG (including Exif), BMP and XPM. It can save as SVG, PNG or JPG.
sxiv is a simple image viewer for X. It only has the most basic features required for fast image viewing. sxiv is an alternative to feh and qiv. Its only dependencies besides xlib are imlib2 and giflib.
Vidigi is a QT4-based image viewer. It uses QT's built-in image support, so only the major file formats are supported.
VP (View Picture) is an SDL-based image viewer for Linux and FreeBSD that supports slideshows, fullscreen, zoom, and arbitrary movement through the image list.
Viewnior is an image viewer with a minimalistic interface that is fast, simple, and light. It supports GIF animations as well as opening only selected files and/or directories. It designed with usability in mind.
View Images Exclusive With SDL: a fast and small console to X image viewer that supports following formats: BMP, PNM, XPM, LBM, PCX, GIF, JPEG, PNG, and TGA.
vrpic is a simple GTK+ based viewer for images in the Radiance pic format. The viewing window has a slider control to change the image exposure; the units are f-stops.
wxyzv is yet another image viewer. Features include: Supports JPEG, PNG, and raw PPM with maxval=255, Provides gamma adjustment, sharpening, and nonlinear smoothing, and makes best effort at displaying corrupted JPEGs and PNGs.
XNview is a program for viewing and converting your graphics files.It supports 110 file formats (PNG, Jpeg, Targa, Alias, Softimage, Tdi, Gif, Unix bitmap, windows,Iff, Rgb, Sun raster, Fits, Photo CD, Photoshop and more).It offers the possiblity to apply filters (blur, average, emboss...) and effects (lens, waves, ...).Pictures browser, Slide Show, RAW/YUV import, Screen capture, ...
xpcd is a X11 program for reading Photo CD's. It reads the overview file with the thumbnails, you can browse all the pictures. You can load them in all available resolutions, either the whole image or a part of it.
xv is an interactive image manipulation program for the X Window System. It can operate on images in the GIF, JPEG, TIFF, PBM, PGM, PPM, XPM, X11 bitmap, Sun Rasterfile, Targa, RLE, RGB, BMP, PCX, FITS, and PM formats on all known types of X displays. It can generate PostScript files, and if you have ghostscript (version 2.6 or above) installed on your machine, it can also display them.
xzgv is a picture viewer for X, with a thumbnail-based file selector. It uses GTK+ and Imlib 1.x. Most file formats are supported, and the thumbnails used are compatible with xv, zgv, and the Gimp. xzgv differs from other picture viewers for X in that it uses one window for both the file selector and viewer, it (unlike xv) allows both scrolling and fit-to-window methods of viewing large pictures, and it (unlike xv and some others) doesn't ever mangle the picture's aspect ratio without you telling it to.
yet another yuv viewer
yet another yuv viewer (yay) displays 4:2:0, 4:2:2, 4:0:0 YUV, and Y-only pictures and sequences (planar Y:U:V format).
zgv is a picture viewer with a thumbnail-based file selector, for the Linux and FreeBSD console (it uses svgalib). It's pretty featureful, and is a good svgalib-based viewer.