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.
QLab - QLab, Live show control for Mac OS X.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Cue Player - Cue Player software for theater sound and lighting
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.
Trigger Audio and Video Playback - Audio and video cue player for broadcast and live performance.