[etik]

Julia version here: https://github.com/StatisticalRethinkingJulia/StatisticalRet...

with implementations in CmdStan (calling Stan from Julia), Turing, Mamba, and DynamicHMC (which requires hand-coding the log-density function of posterior).

[RivieraKid]

Any advice about which one of those packages to pick?

[glial]

I haven't used the others but Stan is great.