Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Adobe Illustrator CC - Adobe Illustrator CC is a commercial vector graphics editor.
GIMP - GIMP is a multiplatform photo manipulation tool.
Sketch - Professional digital design for Mac.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.