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.
ibis Paint X - Drawn with + ibisPaint
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Huion Sketch - Huion Sketch is an animation and drawing application that comes with all the tools and features, providing you ease when making a painting.
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.
Zen Brush - Zen Brush 2 is a drawing app focused on the strong yet beautiful feel of the East Asian ink brush.