Well, it's not for MacOS, but software to run animated wallpapers exist for Windows.
One example is the very popular WallpaperEngine [0]. Another cool one (and open source) is Lively Wallpaper [1].
Selfless plug: I've also developed and released LumoTray [2] which is a wallpaper/screensaver manager for windows with some other extra features but without any animated wallpapers except slideshows as I still find it a bit of a resource waste for something that I rarely see.
One example is the very popular WallpaperEngine [0]. Another cool one (and open source) is Lively Wallpaper [1].
Selfless plug: I've also developed and released LumoTray [2] which is a wallpaper/screensaver manager for windows with some other extra features but without any animated wallpapers except slideshows as I still find it a bit of a resource waste for something that I rarely see.
[0] https://www.wallpaperengine.io
[1] https://www.rocksdanister.com/lively/
[2] https://lumotray.com/