Periscope Image Browser
It is an image browser, searcher and viewer. You can select a set of folders and drives that will be searched for images with many-option filters. Images are displayed in multiwindows in groups of optional size up to 99 images at the same time, arranged in many optional ways. ... You can view image comments, if any, like copyright info, designer name, program used to generate the image and so on. ... The program can check whether the image file is conforming to standards or not, and displays notifications.
http://www.papyrussoftware.com/vmi3_4.zip - 1Mb - Download - Screenshot

PixGrabber
PixGrabber is not just a handy image viewer but also a powerful tool for image archive managing. Images can be collected from various sources, including: Internet, Hard Drive, CDs, etc. Pixgrabber will guard you from annoying ads and allow you to avoid viewing the same pages recurrently. ... Program features intellectual algorithm responsible for identification of duplicate pictures that allows not only finding duplicate images in the database, but also recognize them in the process of importing.
http://www.pixgrabber.com/download/pixgrabber.exe - 4Mb - Download - Screenshot

PixGrabber Free
PixGrabber is not just a handy image viewer but also a powerful tool for image archive managing. Images can be collected from various sources, including: Internet, Hard Drive, CDs, etc. Pixgrabber will guard you from annoying ads and allow you to avoid viewing the same pages recurrently. ... Program features intellectual algorithm responsible for identification of duplicate pictures that allows not only finding duplicate images in the database, but also recognize them in the process of importing.
http://www.pixgrabber.com/download/pixgrabberfree.exe - 4Mb - Download - Screenshot

AhaView
AhaView is a handy image viewer and converter. It displays images in all popular formats: JPEG, GIF, PNG, BMP, ICO, CUR, ANI, WBMP, XPM, XBM, TGA. It has a thumbnail mode and lets you quickly browse through numerous image files, open any of them full size with a double mouse click, and convert... Highlighting the image will display a larger image, and double clicking it will show it in the full-screen mode. ... You can also print, move, copy, duplicate and rename files and copy images to the clipboard.
http://www.aha-soft.com/ahaview/ahaview.exe - 1Mb - Download - Screenshot

Periscope professional version
It is an image browser, searcher and viewer. You can select a set of folders and drives that will be searched for images with many-option filters. Images can be marked for different purposes (Delete, Remove, Copy, Move, Rename, Bookmark . etc) Images can be arranged in pages (up to 999 images... You can view image comments, if any, like copyright info, designer name, program used to generate the image and so on. ... etc) Image can be sorted by width, height, colors . ... You can limit search to image width, height, whether animated or not .
http://www.papyrussoftware.com/vmisetup.exe - 839Kb - Download - Screenshot

Retriever
Retriever is the best program to find duplicate and similar images on your harddisk. It is also a quick image viewer with thumbnails, slide show and database.
http://www.s.netic.de/dirk/rtrvr23.zip - 1Mb - Download - Screenshot

List Cleaner Intravenous
List Cleaner IV is an Email Address List Cleaner that sorts, filters & removes duplicates from your bulk email lists. List Cleaner Intravenous v3. 01 is the ultimate in Data Cleaning and preparing your email lists before sending out your advertisements and news letters. ... Improving company image with clean & correct address details. ... Ensure that you're not sending out duplicate emails to your customer base, and order now! ... List Cleaner IV is a Bulk Email Address Cleaner, duplicate remover, and filter remover.
ftp://ftp.knightthunder.com/appz/demos/lciv3Demo.zip - 3Mb - Download - Screenshot

AmiPic ShareMaster
Send, share and download confidential data securely by storing it in images and other files. It lets you find even hidden web sites! Automated and fully customizable Internet search bot, Web and Usenet mass downloader with image viewer and useful tools, such as text finder, file splitter and... Duplicate Files Hunter is used to clean up your PC from unwanted duplicate files. ... You can still view the images with any conventional image viewer, listen for music or play video clips in your favorite media player.
http://www.altomsoft.com/amipicsm.exe - 1Mb - Download - Screenshot

BeesWees Imaging Suite
Beeswees Imaging Suite is a collection of tools for use with photo collections. The BeesWees tools allow you to batch transpose and resize photos, make 3D magic color artwork, create index sheets, play slideshows, make screenshots, split large files, merge smaller ones and find missing parts,... The BeesWees programs are all similar so learning one will let you work with the others without much difficulty.
http://www.amsterdamsoft.com/downloads/winbwsinst.exe - 16Mb - Download - Screenshot

EF Duplicate Files Manager
The EF Duplicate Files Manager is a useful program that help you to find out and remove duplicate files with same name, same size, same content on specify paths, files that occupy so unnecessarily storage place on your computer or your server. You can let the program work in several ways. ... The most usual formats (RAR, ACE, ZIP and much more) are supported as well as in image files (IMG, ISO9660). ... After the EF Duplicate Files Manager locked the search, he presents the dupes in a clear, polychrome supported list, found in accordance with the criteria selected before.
http://www.efsoftware.com/sw/efdfm.zip - 2Mb - Download - Screenshot