Lalalab - Print photos from your iPhone
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
ZUtA Labs - Pocket robotic mobile printer
Sketch - Professional digital design for Mac.
CHEERZ – Photo Printing - CHEERZ – Photo Printing app lets you print photos from Instagram, Facebook, and other memories from your phone with few steps.
Affinity Designer - Professional creative software, exclusively for Mac.