Fenetre App - Picture in picture for your mac.
Instapainting - Turn any photo into a hand-painted oil painting on canvas
Polarr Photo Editor 3 - The most powerful photo editor in the web.
Optimalprint Photo Book Series - Beautiful, automatic & sustainable photo books
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
Pixelist - Get oil paintings of your instagram photos