Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
GIMP - GIMP is a multiplatform photo manipulation tool.
digiKam - Professional Photo Management with the Power of Open Source
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
ACDSee Photo Studio - ACDSee becomes ACDSee Photo Studio โ ACDSee Photo Studio Standard 2018 continues the ACDSee legacy
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.
Shotwell - Shotwell is an open source photo organizer designed for the GNOME desktop environment.