Seventeen codes were added to the ASCL in May 2017:

astroABC: Approximate Bayesian Computation Sequential Monte Carlo sampler

COSMOS: Carnegie Observatories System for MultiObject Spectroscopy

DMATIS: Dark Matter ATtenuation Importance Sampling

demc2: Differential evolution Markov chain Monte Carlo parameter estimator

f3: Full Frame Fotometry for Kepler Full Frame Images

fd3: Spectral disentangling of double-lined spectroscopic binary stars

FDBinary: A tool for spectral disentangling of double-lined spectroscopic binary stars

getimages: Background derivation and image flattening method

LensPop: Galaxy-galaxy strong lensing population simulation

MBProj2: Multi-Band x-ray surface brightness PROJector 2

NPTFit: Non-Poissonian Template Fitting

PCAT: Probabilistic Cataloger

PROFILER: 1D galaxy light profile decomposition

PSOAP: Precision Spectroscopic Orbits A-Parametrically

SPTCLASS: SPecTral CLASSificator code

supernovae: Photometric classification of supernovae

WeirdestGalaxies: Outlier Detection Algorithm on Galaxy Spectra