Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
GIMP - GIMP is a multiplatform photo manipulation tool.
Designify - Turn any photo into awesome, automatically
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
FIBE – Creative Graphic Design - FIBE is the best creative graphic design and editing application in the market.
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.
Paintwork-Sketch Drawing Pad - Paintwork is the perfect sketch drawing pad for artists of all levels.