Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
Video Paper - Set a video as your wallpaper.
Push Video Wallpaper - Push Video Wallpaper is an application that allows you to play videos and animated gifs as your wallpaper.
Plastuer - Plastuer is a Windows application for setting GIFs, videos, and web pages as your wallpaper.
AwesomeWallpaper - AwesomeWallpaper plays videos, shows images and system information on your desktop wallpaper