Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Invision - Prototyping and collaboration for design teams
GIMP - GIMP is a multiplatform photo manipulation tool.
Axure RP - The prototyping and specification software used by 87% of the Fortune 100. Beyond mockups, design interactive prototypes for business solutions, websites, and applications.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
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.