  The totally asymmetric simple exclusion process (TASEP), which describes the
stochastic dynamics of interacting particles on a lattice, has been actively
studied over the past several decades and applied to model important biological
transport processes. Here we present a software package, called EGGTART
(Extensive GUI gives TASEP-realization in real time), which quantifies and
visualizes the dynamics associated with a generalized version of the TASEP with
an extended particle size and heterogeneous jump rates. This computational tool
is based on analytic formulas obtained from deriving and solving the
hydrodynamic limit of the process. It allows an immediate quantification of the
particle density, flux, and phase diagram, as a function of a few key
parameters associated with the system, which would be difficult to achieve via
conventional stochastic simulations. Our software should therefore be of
interest to biophysicists studying general transport processes, and can in
particular be used in the context of gene expression to model and quantify mRNA
translation of different coding sequences.
