Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.
GIMP - GIMP is a multiplatform photo manipulation tool.
SmoothDraw - SmoothDraw is an easy natural painting and digital free-hand drawing software that can produce high...
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
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.
Corel Painter - Corel Painter is media painting software.