Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Flickr - image and video hosting website
GIMP - GIMP is a multiplatform photo manipulation tool.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Google Photos - All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.
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.