Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
WriteNext - The writing application that boosts your writing. Increase focus and writing performance and reduce distractions by separating your creative writing from other activities. Let writing be the only activity you perform in the writing application.
GIMP - GIMP is a multiplatform photo manipulation tool.
Stashany - Online notepad for developers
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Calmly Writer - Distraction-free text editor for Mac, Windows, Linux and ChromeOS.
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.