https://en.wikisource.org/wiki/Main_Page

A free library that anyone can improve.

Potentially useful as a concordance search for a variety of books, articles, and other sources which have full textual search.

http://webseitz.fluxent.com/wiki/2022-02-06-AddingSisterSites#:~:text=Here%20are%20the-,most-seen%20pages,-http%3A%2F%2Fwebseitz.fluxent

This is so cool to see wikis interlinking and working together.