Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android
Wallpaper Wizard - Wow-worthy backgrounds for Mac
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.
World View Wallpaper - Experience the world through your wallpaper
Splashify - Beautiful desktop wallpapers for Mac and Windows
Unsplash Wallpaper - Gorgeous wallpapers on your Mac