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.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
SourceTree - Mac and Windows client for Mercurial and Git.
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.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.