Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
UpNote - A beautiful and clean cross-platform app for notes organizer
GIMP - GIMP is a multiplatform photo manipulation tool.
Notesnook - Notesnook is a simple and private note taking app that keeps your notes organized and synced on your phone, tablet and computer.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Note Board - Productivity app. Save information like a sticky notes.
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.