Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
PackMojo - Create custom packaging in 3D and order in low volume
Sketch - Professional digital design for Mac.
PakBoxes - PakBoxes offers pioneer packaging solutions for your brand. We offer custom boxes packaging at wholesale to meet your budget. Order beautiful custom printed boxes for all your products now.
Adobe Illustrator CC - Adobe Illustrator CC is a commercial vector graphics editor.
Repack - Reusable and returnable packaging service for e-commerce