1)   Bronze Tools 4.1
Bronze Tools is a package of two utilities - IconEdit2 and Twin Folders. IconEdit2 is a truecolor icon editor; Twin Folders is a file and folder synchronizer.
Bronze Tools, icon, edit, editor, icon editor, web, design, screen, capture, utility,

 2)   PhotoSort 1.52
This duplicate picture finder compares pictures the way they actually look. That means that it will find duplicates and similar ones even when they are of different type, size, color, or have some elements added like text or logos.
photo, picture, image, duplicate, dupe, double, twin, clone, similar, identical,

 3)   TwinSeek 1.01
TwinSeek will speed sorting significantly by comparing all the files in a directory, and will then show what ones are 95% similar. TwinSeek can also used to provide a detailed comparison of the differences between two files.
File, compare, twin, assembly, Sinner,