Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Brandfolder - One link to all your marketing assets. Brandfolder is your convenient source to visually organize, quickly find and easily share all your final brand assets.
GIMP - GIMP is a multiplatform photo manipulation tool.
Widen Collective - Widen Media Collective creates a seamless workflow for the creation, management and distribution of digital media assets throughout digital.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Bynder - Bynder is a cloud-based digital asset management solution for marketing professionals looking to simplify how they manage digital content via one central portal.
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.