Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Solaris Sky Calendar - An astronomy calendar right in your pocket
GIMP - GIMP is a multiplatform photo manipulation tool.
Lumy - Helps you track photographic times
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Sundial App - Sun & Moon times and alerts for iPhone, iPad, & Apple Watch
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.