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.
Remote Mouse - Turn your smartphone into a wireless touchpad and keyboard now!
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
KDE Connect - Integrate Android with the KDE Desktop
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.
Monect - Make the best use of sensors on smart device to control PC, simulate steering wheel, game-pad...