Priime - Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Nizo - A better iPhone camera for shooting film
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
VSCO Cam - VSCO Cam is an iPhone, iPod Touch, & Android camera app w/ elegant, minimal processing options.
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.