Sixteen codes were added to the ASCL in September 2018:

dynesty: Dynamic Nested Sampling package

Isca: Idealized global circulation modeling

LEMON: Differential photometry pipeline

MrMoose: Multi-Resolution Multi-Object/Origin Spectral Energy distribution fitting procedure

NEBULA: Radiative transfer code of ionized nebulae at radio wavelengths

nestcheck: Nested sampling calculations analysis

PASTA: Python Astronomical Stacking Tool Array

PCCDPACK: Polarimetry with CCD

perfectns: “Perfect” dynamic and standard nested sampling for spherically symmetric likelihoods and priors

PyQSOFit: Python code to fit the spectrum of quasars

qp: Quantile parametrization for probability distribution functions

RequiSim: Variance weighted overlap calculator

spops: Spinning black-hole binary population synthesis

stepped_luneburg: Stacked-based ray tracing code to model a stepped Luneburg lens

surfinBH: Surrogate final black hole properties for mergers of binary black holes

VBBINARYLENSING: Microlensing light-curve computation