Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
SUPERIMPOSE X - Superimpose X is the most powerful and intuitive photo-editing application.
GIMP - GIMP is a multiplatform photo manipulation tool.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Pic Effects - Pic Effects is the perfect photo editing application for adding funny things to your photos.
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.