Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
xScope - xScope is an excellent utility that is used to measure the graphic layouts or any application’s dimensions for checking the operating systems’ compatibility with the desktop screen.
GIMP - GIMP is a multiplatform photo manipulation tool.
PixelSnap - Measure every pixel on your screen with ease ✨
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
QuickLens - Inspect the UI of apps, illustrations & websites like a pro
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.