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.
NexusFont - Choose and manage your fonts with Nexus Font.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Font Viewer - Font Viewer is an application which does exactly that - it views fonts!
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.
Font Manager - Simple font management for GTK+ desktop environments