Priime - Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.
Camera Noir - The most powerful black & white photo editor
Nizo - A better iPhone camera for shooting film
Argentum Camera - A monochrome camera with beautiful effects
VSCO Cam - VSCO Cam is an iPhone, iPod Touch, & Android camera app w/ elegant, minimal processing options.
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.