Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
PixInsight - A powerful deep sky stacking application for astrophotography.
GIMP - GIMP is a multiplatform photo manipulation tool.
DeepSkyStacker - DeepSkyStacker is a freeware for astrophotographers that simplifies all the pre-processing steps of...
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
APT (Astro Photography Tool) - APT stands for "AstroPhotography Tool" and it is like Swiss army knife for your astro imaging sessions.
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.