I found a semi anarchy survival server that tries to stay really close to vanilla. It started on October 11th 2024 and it is hosted in New York City in the USA.
It runs all the time and it lets you join from Java 1.7.2 up to 1.21.11. They say 1.21.10 is best so stuff works right. The world is massive with a 2 million block border and it is meant to last since there are no map resets.
It is basically play how you want with PvP and griefing allowed and no pay to win. There is no teleporting and the only command they allow is spawn so players far out are not stuck forever. Nether roof is allowed phantoms are removed and it takes only half the players to skip the night.
They still block the worst stuff like exploits lag machines duping spam and harassment or racial slurs in chat.

