Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
GoSquared People Analytics - One place to understand your users
GIMP - GIMP is a multiplatform photo manipulation tool.
Parse.ly Analytics - Analytics for understanding audience attention
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Known Pro - The best way to reach your audience from a single platform
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.