Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
QGIS - QGIS is a desktop geographic information system, or GIS.
GIMP - GIMP is a multiplatform photo manipulation tool.
GRASS GIS - GRASS GIS is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
SAGA GIS - SAGA - System for Automated Geoscientific Analyses - is a Geographic Information System (GIS)...
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.