Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
XnConvert - XnConvert is an easy image converter for graphic files, photos and images available on Windows...
GIMP - GIMP is a multiplatform photo manipulation tool.
Photopus Pro - Photopus Pro is an easy to use batch image processing to simplify the process to convert, add watermarks (text and image), resize, transform, touch-up, rename, and apply effects to your digital images.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Online Image Converter - Online Image Converter converts your BMP, JPG, PNG, GIF or ICO files quickly and easily.
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.