Description: IQDB is an open source image search engine that enables users to search for visually similar images on the web. It uses perceptual hashing algorithms to identify image duplicates and find images that are similar or otherwise related to the search query image.
Type: software
Pricing: Open Source
Description: TinEye is a reverse image search engine. It allows users to search by image instead of text to find copies, modified versions, or the original source of an image across the web. It works by creating a unique fingerprint for each image which allows matches to be found even if the file has been edited or resized.
Type: software