Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Cisco Packet Tracer - Download Cisco Packet Tracer, an innovative network simulation and visualization tool used by Cisco Networking Academy students and instructors.
GIMP - GIMP is a multiplatform photo manipulation tool.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
GNS3 - GNS3 is a graphical network simulator that allows simulation of complex networks.
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.