Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Scribble Online Whiteboard - Scribble Online Whiteboard is an advanced collaborative whiteboard solution that allows you to draw the sketch using the web-based or mobile platforms such as iPad/iPhone and Android.
GIMP - GIMP is a multiplatform photo manipulation tool.
Ryeboard - A practical and visual workspace for modern teams
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Whiteboard Team - Draw, explain and collaborate visually in real-time.
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.