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.
FotoFlexer - FotoFlexer is the most powerful online photo editor in existence.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Photoshop.com - Photoshop.
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.
Fun Photo Box - FunPhotoBox is a free photo editing device where you can make clever pictures from your photographs.