Nik released SnapSeed for OS X a while back. It is really good for people who use it on their mobile devices and do not have anything better on the desktop/laptop systems.
Because I have Aperture on my desktop I decided against SnapSeed for OS X but use it on my iOS devices.
|Smile by Olymguy|
from Ultra Asian Indian Female Faces
|Space Shuttle Cockpit- by vbuhay|
from Aircraft Control Stick