Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
CodeShare.io - Realtime code sharing for developers
GIMP - GIMP is a multiplatform photo manipulation tool.
Code.gov - Share & reuse open source code from the Federal Government
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Code2Flow - An easy solution to create product flows.
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.