Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
RNI Films - Real film filters for iPhone photographers
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
Argentum Camera - A monochrome camera with beautiful effects
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
Camera Noir - The most powerful black & white photo editor