DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
Wallcat - Enjoy a new, beautiful wallpaper, every day.
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.