Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
CThruView Transparent Image Viewer - CThruView is a free transparent image viewer that allows mouse clicks to go through the image.
GIMP - GIMP is a multiplatform photo manipulation tool.
LayerX - An intuitive app to display transparent images on screen.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Osiva - Osiva" is an acronym that stands for "Overly Simple Image Viewing
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.