LightZone VS Manual Camera for iPhone

Photoscape - high quality photo editing software, that enables you to fix and enhance photos.

Priime - Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.

ACDSee - ACDSee is an image viewer that uses very little system resources, and it has a small, sleek size that won't take up much space on your system.

Nizo - A better iPhone camera for shooting film

JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.

VSCO Cam - VSCO Cam is an iPhone, iPod Touch, & Android camera app w/ elegant, minimal processing options.