WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

High dynamic range (HDR) image viewer for graphics people

A program that compares two images using a perceptually based image metric

Visual comparison for YUV and JPG/PNG images.

A C++17 port of the JavaScript pixelmatch library, providing a small pixel-level image comparison library.

Նկար (nkar) image comparison and differences highlighting C++ API

The MongoDB Database with image similarity functions

A C++ project that analyzes JPEG images to identify subset images. Given a set of JPEG files, this tool detects if one image is a cropped version of another, helping to identify relationships among images by comparing structural and pixel data.