Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
Trickster - Keep track of recent files on your Mac
Video Paper - Set a video as your wallpaper.
Declutter - Cleans and organises your files in Mac desktop automatically
Plastuer - Plastuer is a Windows application for setting GIFs, videos, and web pages as your wallpaper.
Fossils - Find and clean out all your old unused files