People like this are doing really valuable work helping underprivileged people trying to learn (e.g. here in El Salvador):
This was formerly known as z-library but got shut down.
however their donate page:
https://annas-archive.org/donate has only a legacy BTC address which apparently is from bitcoin.com (according to the blog, somewhere)🤦♂️ .. and no Lightning.
I wonder if we can convince them to run btcpayserver.