Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
S.T.A.L.K.E.R.: Clear Sky - S.
GIMP - GIMP is a multiplatform photo manipulation tool.
Insurgency - Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative Source Engine based experience.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Deus Ex: Invisible War - Deus Ex: Invisible War is an Action-Adventure, Role-playing, FPS (First-person Shooter), Science-Fiction, Stealth, Dystopian, Female Protagonist, and Single-player video game developed by Ion Storm and published by Square Enix.
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.