Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android
PhotoMapper - Photomapper is a cross-platform application for Android and iOS devices designed from the ground up to provide you with informational guides and tips on the best photo spots in the world.
Splashify - Beautiful desktop wallpapers for Mac and Windows
DailyPic - You like the Bing Picture of the Day?
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.
PIXEO - PIXEO is an easy-to-use app that provides photographers with a simple method of recording, snapping, and sharing the ideal photographic sceneries in the world.