Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
OmniGraffle - OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.
Sketch - Professional digital design for Mac.
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.
Adobe InDesign - Adobe InDesign is a desktop publishing software application.