Fenetre App - Picture in picture for your mac.
And Then I Was Like - Express yourself with GIFs using your webcam
Polarr Photo Editor 3 - The most powerful photo editor in the web.
Scary Camera Effects - Creepy and artistic photo manipulation, 20+ filters
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
Bitpoem - Amazing effects and textures for your photos