Based on our record, xlivebg seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If I understand your question correctly, this is very similar to what I'm doing in my xlivebg project (live wallpapers for X11): http://nuclear.mutantstargoat.com/sw/xlivebg/ I did a talk about how it works in last year's fossdem, which you might find useful: https://www.youtube.com/watch?v=jrD7vlYmITc. Source: over 2 years ago
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Lively Wallpaper - What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
WinDynamicDesktop - This app ports the Dynamic Desktop feature from macOS Mojave to Windows 10.
Video Paper - Set a video as your wallpaper.