Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
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
ScreenPlay - Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
Plastuer - Plastuer is a Windows application for setting GIFs, videos, and web pages as your wallpaper.