This thread is for posting random niche internet sites/blogs/youtube channels, etc. You should try to post sites that you've actually followed and used for some time.
gwern.net:
"The content here varies from statistics to psychology to self-experiments/Quantified Self to philosophy to poetry to programming to anime to investigations of online drug markets or leaked movie scripts (or two topics at once: anime & statistics or anime & criticism or heck anime & statistics & criticism!).
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I am a freelance American writer & researcher. (To make ends meet, I have a Patreon, benefit from Bitcoin appreciation thanks to some old coins, and live frugally.) I have worked for, published in, or consulted for: Wired (2015), MIRI/SIAI2 (2012–20131, CFAR (20121, GiveWell (2017), the FBI (2016), Cool Tools (20131, Quantimodo (20131, New World Encyclopedia (20061, Bitcoin Weekly (20111, Mobify (2013–2014), Bellroy (2013–2014), Dominic Frisby (2014), and private clients (2009-); everything on Gwern.net should be considered my own viewpoint or writing unless otherwise specified by a representative or publication. I am currently not accepting new commissions."
Website is very neat.
https://prettyboytellem.com/:Author of now long defunct imageboard specifically local to a North Carolina State University.
https://www.youtube.com/@FebrithDarkstar/videos:Skyrim housing mods reviews by a 40 year old British cat lady
https://www.youtube.com/@TMApolitical-philosophy/videos:Politics and political science from a professor from Kansas State University
https://www.youtube.com/@AncientChess:Different historical versions and sets of chess, their background, history, etc.