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.
PanoLab - A gallery and newsfeed for PanoLab, the first panorama authoring tool on the iPhone. From Tom at...
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Ztitch - Ztitch is a freemium standalone panorama viewer and maker that allow you to create beautiful 3D scenes and share them with your friends.
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.
DMD Panorama - HD 360 Panoramic Camera In A Snap