Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
SymCalc - Symbolic Calculator - Math toolbox for iOS. Advanced calculator features with a tape-like history, not requiring internet...
GIMP - GIMP is a multiplatform photo manipulation tool.
Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Numi App - Numi is a beautiful text calculator for Mac.