ExactScan is a versatile document capture application for home offices and workgroups. It is designed from the ground up for high-speed document scanners and can easily handle hundreds of images per minute, including duplex scans. Included functionality reaches from managing, sorting, and editing singles pages to writing multi- as well as single-page PDF files including JPEG compression and TIFF, JPEG, JPEG2000, and PNG bitmap files. ExactScan allows performing state of the art image processing including automatic cropping, deskewing, dynamic thresholding for perfect black and white documents, and descreening print rasters.
PDFView is a very simple program to view PDF files. on contrast to Preview, the main window will open up maximized, and with the drawer hidden by default. When you toggle the drawer, the main window will resize just enough to show it, and maximize again when you hide it. The zoom level will be as big as possible to make the document fit, making it as easy to read as possible.
QuickStep is a fast, simple image viewer. It can read JPG, PNG, GIF, and TIFF images. It can locate and display images of those types within ZIP, RAR, and TAR archives. QuickStep can be started from the Finder but is also designed to work well when started from a terminal. It is keyboard friendly: most commands use single keystrokes instead of Command-key combinations. It can display images fullscreen and run a slideshow.
PDF 2 PSP is a simple tool for converting PDF documents and printouts into JPEG images suitable for displaying on the Sony PSP handheld game console. This allows you to download e-books, game manuals, album liners, etcetera to your PSP. Once they're on your PSP, you can read them anywhere. Because of the extensive PDF support built into OS X, any document you can print can be stored as a PDF and converted and downloaded to your PSP. It works best when used with a PSP synchronization tool such as PSPWare, but it can also be used as a stand-alone tool.
JLM image viewer is able to view standard image types as well as JLM and PLM image types. It is also able to lighten or darken an image using a "lightspace" technique. The technique is equivalent to changing the exposure time of the camera which took the image. The lightening or darkening method is generally considered superior to techniques found (such as gamma correction) which are found in image manipulation programs such as photoshop or the GIMP.
FFView is a fast OpenGL-powered picture viewer a la ACDsee. It is aimed at letting you read manga or other comics onscreen (in either windowed or fullscreen mode). Its features include fast prefetching, smooth panning, voice commands, the ability to browse pictures inside archives (.rar/.cbr, .zip/.cbz) and persistent per-picture options.
EOS Image Manager is a pure Cocoa application that enables users to quickly view, thumbnail, rename (add and remove chars, change case), and manage (move, copy, and rename) all of their images from a single, uncluttered interface. With this application users can organize thousands of downloaded images and digital photos in minutes.