Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
Video Paper - Set a video as your wallpaper.
Variety Wallpaper Changer - Variety is a wallpaper changer for Ubuntu which is featureful, yet slim and very easy to use.
Lively - Animated Wallpaper System - Animated Wallpapers: Turn Videos, Web pages, Games, Emulators into windows wallpapers. - rocksdanister/lively
Lively - Make GIF and short movies from your live photos.