3DMF Viewer allows you to view interactively and move freely through 3DMF objects.
AOP Viewer displays AOP files in 3D. It can also display cross sections and provides several properties about the file.
CocoaSlideShow is a fast, simple image viewer which handles Apple Remote, rotates pictures, and more.
eXaPhoto Publisher is a free, simple to use application for creating online albums that can be viewed by friends and family. Features include web addresses, email to album, nested albums, commenting, ranking, and rating.
a fast OpenGL-powered picture viewer a la ACDsee (2.x). It is aimed at letting you read manga or other comics onscreen (windowed & fullscreen mode). Features include fast prefetching, smooth panning, voice commands, 2-page mode, the ability to browse pictures inside archives (.rar/.cbr, .zip/.cbz) and sticky per-picture options. It is scriptable
Geo3D is a scriptable 3D Metafile (3DMF) viewer with many navigation (and some editing and animation) features; available in English, French, and German. Features include: xport 2D images and animation sequences in PICT format, VRML and 3DS import, Preview 3DMF textures, Automatic model rotation, and more.
JetPhoto Studio is a personal digital photo management software to transfer, store, organize, edit, print, and share digital photos. JetPhoto provides easy-to-use tools to help user to efficiently organize digital photos with time, location, keyword tags and notes on your desktop computer. A photo calendar, a tags editor, an EXIF reader and a GPS-driven photo locator are provided in JetPhoto Studio.
can load, view and save PLM, PLM and other image files. The program is able to retroactively change the exposure time of an image (properly lighten and darken)
JustLooking is an image viewing program. It is designed to be a replacment for the "Preview" application for browsing images. In particular, it has the following differences: It focuses on files and directories instead of lists of files. Thus, once you load a file, you can easily navigate through all other files in the same directory. It displays images at their native resolution instead of interpreting DPI information stored in the image meta-data.
Multiple Picture Viewer
Multiple Picture Viewer is a utility for just showing the different pictures from one picture file.
Phoenix Slides is a fast full-screen slideshow program/image browser, for flipping through folders or disks full of images. Phoenix Slides also does lossless JPEG transformations and can display EXIF data. It requires Mac OS X 10.3 or later. Features include: fast (pre-cached) full-screen slideshows, rotate/zoom in slideshow, fast JPEG thumbnails (uses Epeg), lossless JPEG rotation, and more.
PixelWalker is a fast, lightweight image browser. This application is useful to quickly navigate and browse images which are stored in folders (such as a cd) rather than in a photo management application like iPhoto.
Presenter is an OpenGL-based slideshow viewer with limited support for viewing details of how photos were taken. Numerous 3D and 2D transition effects are provided in this sleek cut down app.
Reveal is an easy to use, cross platform EXIF metadata viewer with limited editing capabilities. Reveal was designed to present as many details about how a photo was taken in a clear and easy to understand format.
The Great American Picture Sorter
(shareware) GAPS is an image sorting and viewing application written to deal with enormous folders full of images. It can easily handle hundreds of thousands of images per folder and continue to operate quickly and stably.
ToyViewer is an image viewer, which was developed originally on NeXTstep and then OPENSTEP. It has simple editing functions and filter services to other applications.
Xee is a lightweight, fast and convenient image viewer and browser. It is designed to be a serious tool for image viewing and management, with a sleek and powerful interface. It reads and views a large number of image formats. (Any format QuickTime or Preview can open, plus several more, including PCX and Amiga IFF-ILBM.)
zonViewer is an image viewer with batch processing capabilities. It has been developed as a substitute of Irfanview for the OS X world.