DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android
Dual Monitor Tools - Download Dual Monitor Tools for free. Tools for Windows users with dual or multiple monitors. Tools for Windows users with dual or .
Splashify - Beautiful desktop wallpapers for Mac and Windows
Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.