Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Ashampoo Slideshow Studio HD - Ashampoo Slideshow Studio HD 4 turns your images into vibrant slideshows with cool effects.
GIMP - GIMP is a multiplatform photo manipulation tool.
Photostage - Quickly and easily combine photos and videos with a narration or soundtrack using PhotoStage slideshow software. Free slideshow maker download for Mac & PC.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
OggConvert - OggConvert - Liberate Your Media
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.