isk-daemon - isk-daemon is an open source database server capable of adding content-based (visual) image...
PicsLikeThat - This is a visual and semantic image search system finding images on Fotolia.
NISE - The NISE Image Search Engine is a reverse image search engine (like tineye.
IQDB - Multi-service image search
CamFind - CamFind is the very first mobile application that can photograph, identify, and provide information...
Plaghunter - Plaghunter is a reverse image search that scans where your images are being used online.