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.
Magic Music Visuals - Fully-customizable and highly responsive visuals for live and recorded audio & MIDI.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
MilkDrop - 3D audio visualization plugin, compatible with WinAmp plugin API
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.
Kauna - Kauna is a music visualizer. Kauna renders any sound reproduction in system.