[LiveQuartz Photo Edit 在Mac App Store上售价50元]
A simple and powerful photo editor for the Mac.
It is based on non destructive layers and filters. The layers are at the left and the filters are at the right of the window. To edit a photo, just drag it into the window (or layers’ list) and it will be added as a new layer. LiveQuartz supports Gestures (Multi-Touch) and fully supports Retina Display.