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.
MadMapper - The Mapping Software
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Resolume - Resolume is an application for live video performances.
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.
Linux Show Player - Sound player designed for stage productions