Twenty-one codes were added to the ASCL in October 2018:

APPLawD: Accurate Potentials in Power Law Disks

ARTES: 3D Monte Carlo scattering radiative transfer in planetary atmospheres

Barcode: Bayesian reconstruction of cosmic density fields

catsHTM: Catalog cross-matching tool

cuFFS: CUDA-accelerated Fast Faraday Synthesis

DDS: Debris Disk Radiative Transfer Simulator

Echelle++: Generic spectrum simulator

Eclairs: Efficient Codes for the LArge scales of the unIveRSe

Firefly: Interactive exploration of particle-based data

galfast: Milky Way mock catalog generator

GiRaFFE: General relativistic force-free electrodynamics code

JETGET: Hydrodynamic jet simulation visualization and analysis

MIEX: Mie scattering code for large grains

ODTBX: Orbit Determination Toolbox

pycraf: Spectrum-management compatibility

PyUltraLight: Pseudo-spectral Python code to compute ultralight dark matter dynamics

SOPHISM: Software Instrument Simulator

STARRY: Analytic computation of occultation light curves

STiC: Stockholm inversion code

VaeX: Visualization and eXploration of Out-of-Core DataFrames