CamFind - CamFind is the very first mobile application that can photograph, identify, and provide information...
Exif Metadata Image Search - Search image metadata on the Internet. Exif image metadata search engine
PimEyes - Search by face image and find given person with information where this person appear online. PimEyes analyzes over 50 million websites to provide the most accurate search results.
GazoPa - 27 Oct 2009 . Gazopa, a search engine that uses features from an image to retrieve similar images, has been in private beta since it launched during TechCrunch50 last year.
Berify - Berify is a useful application that enables you to find stolen videos and images through reverse image searching across the internet.
TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.