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.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Processing - C++ and Java programming at the speed of thought.
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.
Mandelbulb 3D - Mandelbulb 3D is a free software application created for 3D fractal imaging.