Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Vectorizer.io - Fast and easy way to vectorize an image online
GIMP - GIMP is a multiplatform photo manipulation tool.
potrace - Open source program that transforms bitmaps into vector graphics.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Autotracer.org - Free online image vectorizer
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.