Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Pmx Editor - PMX Editor is for editing 3D model data to be used in MikuMiku Dance.
GIMP - GIMP is a multiplatform photo manipulation tool.
3DTin - 3DTin is a browser based 3D modelling tool.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
DeleD CE - DeleD is a 3D modeler and level-editor combined into one.
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.