Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Perch - A bird’s eye view of social activity for you AND your competition.
GIMP - GIMP is a multiplatform photo manipulation tool.
Double 2 - Giving you a physical presence when you can’t be there
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Nudee - Create a 3D printed "nude selfie" (slightly NSFW)
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.