Simply Framed - Delightful mail-in custom framing
Sketch - Professional digital design for Mac.
Framepop - Turn photos into framed prints
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Mountary - On-demand framing and amazing DIY frame kits
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.