Many companies use this software for editing photos.
I use this for our company work and this works perfectly for image editing process.
Slides - Slides is a place for creating, presenting and sharing presentations. The Slides editor is available right in your browser. Unlike traditional presentation software, like PowerPoint, there's no need to download anything.
GIMP - GIMP is a multiplatform photo manipulation tool.
Slidebean - Presentations that design themselves
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Prezi - Welcome to Prezi, the presentation software that uses motion, zoom, and spatial relationships to bring your ideas to life and make you a great presenter.
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.