https://sci-hub.41610.org/

Here’s the list of plugins that you can use with vendetta for extra features. https://vd-plugins.github.io/web/#

It’s a mod for discord like revanced for youtube. It adds extra features to discord.

It is already available on F-Droid through Izzyondroid repo.

I don’t know what IPFS is, but you do need an account to download books from z library via tor. If you don’t want to make an account you can try libgen or anna’s archive they mostly have all the books.