Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Milanote - Milanote is a note taking app for creative work.
GIMP - GIMP is a multiplatform photo manipulation tool.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Astropad - Astropad is a free form drawing tool designed from the ground up to take advantages of the features offered by an iPad.