Rule #1 of finding technical feeds; type ‘OPML’ into GitHub search. GitHub is like a social network for software engineers and I’m a conservationist of time.
Are you a safe kid? I’ve just had a memory of a past time in a library.
Two newer meta-ish search engines for encyclopedias (about 30+ wikis):
On math, magic, and mathematical grimoires.. As I was “speedrun reading” about MathML days ago, I discovered an amazing digital library of mathematical functions. Boring, but why amazing? Take a look at this function and hover click on any of the variables to view the definition, and keep clicking on more variables for even more… definitions. That’s a legit library.
See, now all of us can roleplay as mages and mathematicians on the Internet.