They're still around, they just happen to be on X/Telegram.

Roughly speaking they're in two camps: Groypers and BAP-adjacent Yarvinites. I suppose both are "Nazi" in the sense they are anti-intellectual and anti-egalitarian. Some are paid. Some do it for free.

I don't see much of an equivalent on the left, maybe extreme far left Zizarian types or femcel/misandrists.