Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
UXCam - UXCam is the market leader for qualitative app analytics. UXCam provides instant insight into customer behavior in the app through deep analysis of user sessions, events, screen flows, heatmaps, and interactions.
GIMP - GIMP is a multiplatform photo manipulation tool.
UXTesting - Discover how your mobile users feel
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Mupixa - Mockup analytics. Understand your future clients today!
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.