Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
FotoSketcher - Turn photos to paintings, drawings and sketches. FotoSketcher is a 100% free program to turn your photos into beautiful art, automatically.
GIMP - GIMP is a multiplatform photo manipulation tool.
Elfin Photo Editor - Elfin Photo Editor is a handy program that enables you to make your photos shine.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Magic Photo Editor - Magic Photo Editor for Windows is a feature-rich application that allows you to create original edits of photos.
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.