on Rob McCulloch’s page here.
Software for Computer Model Calibration
Bayesian Calibration for Stochastic Simulators (can also calibrate deterministic simulators) Download the beta here. This link will not be updated once the package becomes available on CRAN.
BART based calibration model: This file has some demo example R scripts. The actual code is C/C++ and is known to compile on Linux and OS X.