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.
Photo + Music = Video - Photo + Music = Video (also known as Video Slideshow Editor) developed by Manas Hive.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
InPics - Do you want to share images and videos to the social network sites without cropping? Here is the best application for you named as InPics is a Free Photo and Video Editor Application created by Delusional Studios.
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.
Glitché - Turn images into pixelated, glitched-out works of art (iOS)