Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Mixbook - Mixbook is an online photo design tool and product service that allows customers to design customized photo books, cards, calendars, and photo prints through its online interface.
GIMP - GIMP is a multiplatform photo manipulation tool.
Bitstrips - Bitstrips is fun and engaging app that lets you create your own comic strips right from your mobile device. It's essentially a social network that allows its users to share self-made comics as opposed to photos, memes, videos, or other posts.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
SlideBoom - Upload and Share PowerPoint presentations with your family, friends, colleagues, clients and the whole world
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.