Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Medium API - Official Medium API
GIMP - GIMP is a multiplatform photo manipulation tool.
Bytes - Your weekly dose of JavaScript
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Characters - Characters makes it easy for writers, designers and developers to access special characters. They are easily found and copied to your clipboard, either as html code or as the character itself.
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.