UnfoldPrints - UnfoldPrints is an app that allows you to make photo collages and order them to print.
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.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Picta Photo Print - Picta Photo Print is an app that allows you to place an order for online photo prints.
Affinity Designer - Professional creative software, exclusively for Mac.