Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Focos - Your Portrait Mode photos become amazing masterpieces of art
GIMP - GIMP is a multiplatform photo manipulation tool.
Manual Camera for iPhone - Custom exposure for your iPhone camera
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Slide Camera - A 3D Camera for the iPhone