Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
StoryMill - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless and many more. Based in MN.
GIMP - GIMP is a multiplatform photo manipulation tool.
Novelize - Novelize is an online novel writing app designed to keep authors on track.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Manuskript - Open-source tool for writers.
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.