Google Images - Google Images is a search service owned by Google that allows users to search the World Wide Web for image content.
Priime - Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.
SauceNAO - SauceNAO is a reverse image search engine.
Nizo - A better iPhone camera for shooting film
TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.
VSCO Cam - VSCO Cam is an iPhone, iPod Touch, & Android camera app w/ elegant, minimal processing options.