Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Upwork - Forget the old rules. You can have the best people. Right now. Right here.
GIMP - GIMP is a multiplatform photo manipulation tool.
Freelancer.com - Search for jobs related to Www freelancer com homepage or hire on the world's largest freelancing marketplace with 12m+ jobs. It's free to sign up and bid on jobs.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Fiverr - One marketplace, millions of professional services.
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.