Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.
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.
Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android
DailyPic - You like the Bing Picture of the Day?
Wallcat - Enjoy a new, beautiful wallpaper, every day.
Really Good Photo Spots - Really Good Photo Spots is a user-friendly iPhone app that assists photographers in locating the ideal photography spots in different corners of the world.