[CaptainFever]

Related: people donating computing power to run diffusion and text models, which is definitely largely used for porn.

https://stablehorde.net/

Or the large amounts of community efforts (not exactly crowd sourced though) for diffusion fine-tunes and tools! Pony XL, and other uncensored models, for example. I haven't kept up with the rest, because there's just too much.

[lostmsu]

You don't have to donate, we will pay you for idle time of your gaming GPU: https://borg.games/setup