DuMP3 is a duplicate and similar file finder. It finds exact duplicate binaries by hash, similar text files by substring content, images (JPG, BMP, GIF, PNG, etc) by color and audio files (MP3, WAV, OGG, etc) by wave data. Future: fonts, video.
Start image processing in C# with .NET! This application compares images in a folder (and all subfolders) using RBG projections (horizontal and vertical). I've to optimize it but it's quite fast and the first goal for me is start application for beginners about image processing