Description: PeneloPET is a Monte Carlo code capable of performing realistic simulations for pixelated scintillator based PET scanners. It is based on PENELOPE, a toolkit for Monte Carlo Simulation of Electron and Photon Transport in Various Geometries.
Source Code: Link 1 & Link 2 (python interface)
Tutorials: Link 1 (User’s Manual), Link 2
Reference Articles: Link 1, Link 2 & Link 3
NMMItools 