This site may be a chest for you to find rare and unprecedented treasures.
Anarchist reading list
Alternative programs to improve privacy: Prism break
Correspondence seminar Exhaust
Summary of astronomy
Nolog security collective; hosts e.g. etherpad, an alternative to Google Docs
Something about math
Forum on learning languages
An astrolabe, but digitally (because it costs a lot to buy one)
Maybe useful... a little
List of human characteristics
Random anime girl generator (with warning)
Nice open source font
Other TeX shows
Dumb Or Overly Forced Astronomical Acronyms Site (or DOOFAAS)
Other people's personal pages
These are really random people, OK, some of them are my friends, but I refuse to elaborate.
Dan Slez\u00e1k: https://esci.blog/
Richard Stallman: https://stallman.org/
Yeah, where are the times
Randomly generated mathematical papers
Library Genesis: A Russian server with about 3M books, but mostly all scientific articles. I don't give an address because it changes all the time.
AAAARG: similar to libgen but different, read article.
https://monoskop.org/Monoscope is a wiki on humanities authors and concepts, often with pdf texts in the sources...
https://archive.leftove.rs/ archive of texts of radical organizations, e.g. Black Panthers.
http://www.marxists.org/ is a database of texts from famous Marxists, but also a hub of basic concepts.
https://sacred-texts.com/ are just all sorts of holy texts.