Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Fhotoroom HDR - Fhotoroom HDR is an advanced High Dynamic Range image creation and editing. Merge, ToneMapping, DeGhosting and more
GIMP - GIMP is a multiplatform photo manipulation tool.
Adobe Photoshop Lightroom CC - Adobe Photoshop Lightroom CC is a commercial photo processor and image organizer.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
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.