Twenty-two codes were added to the ASCL in October 2019:

a3cosmos-gas-evolution: Galaxy cold molecular gas evolution functions

ANNz2: Estimating photometric redshift and probability density functions using machine learning methods

AOtools: Adaptive optics modeling and analysis toolkit

AOTOOLS: Reduce IR images from Adaptive Optics

ChainConsumer: Corner plots, LaTeX tables and plotting walks

Cobaya: Bayesian analysis in cosmology

DM_phase: Algorithm for correcting dispersion of radio signals

E0102-VR: Virtual Reality application to visualize the optical ejecta in SNR 1E 0102.2-7219

ECLIPS3D: Linear wave and circulation calculations

EMERGE: Empirical ModEl for the foRmation of GalaxiEs

exoplanet: Probabilistic modeling of transit or radial velocity observations of exoplanets

GetDist: Monte Carlo sample analyzer

LEO-Py: Likelihood Estimation of Observational data with Python

MarsLux: Illumination Mars maps generator

MiSTree: Construct and analyze Minimum Spanning Tree graphs

OCD: O’Connell Effect Detector using push-pull learning

orbitize: Orbit-fitting for directly imaged objects

PEXO: Precise EXOplanetology

PINK: Parallelized rotation and flipping INvariant Kohonen maps

PreProFit: Pressure Profile Fitter for galaxy clusters in Python

qnm: Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients calculator

TLS: Transit Least Squares