Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Topaz DeNoise - Topaz DeNoise is a new and highly effective way to remove digital image noise.
GIMP - GIMP is a multiplatform photo manipulation tool.
Neat Image - Neat Image reduces high ISO noise, grain, artifacts in images from digital cameras, flatbed and slide scanners. It is a tool for professional photographers and digital image processing enthusiasts.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Noise Ninja - Photo Ninja is a professional-grade raw converter that delivers exceptional image quality with a distinctive, natural look.
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.