Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Retrobatch - Retrobatch is a unique application for automating actions to tens, hundreds, and even thousands of images at the same time
GIMP - GIMP is a multiplatform photo manipulation tool.
ImageGlass - You can use Image to view your digital images and photos of many different formats.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
AYVY - JPEG/PNG/RAW Images viewer