fastnbt
A fast (or trying to be!) parser for Minecraft's NBT and Anvil formats.
Uses Rayon to utilise all cores of the machine. On a Ryzen 3600X 6-core, with a reasonably complex world, it can render a map of 256 regions in 9 seconds. That's 262k chunks, about 30k chunks/s.
Usage
For the library
[]
= "0.2.0"
For the anvil
executable