As of February 29, there were 406 codes in the library listed on 5 pages.
Chombo: Adaptive Solutions of Partial Differential Equations
CISM_DX: Visualization and analysis tool
CoCoNuT: General relativistic hydrodynamics code with dynamical space-time evolution
CORSIKA: An Air Shower Simulation Program
CRUNCH3D: Three-dimensional compressible MHD code
FISA: Fast Integrated Spectra Analyzer
Lattimer-Swesty Equation of State Code
Mangle: Angular Mask Software
MOOG: LTE line analysis and spectrum synthesis
NOVAS: Naval Observatory Vector Astrometry Software
RADMC-3D: A multi-purpose radiative transfer tool
SME: Spectroscopy Made Easy
SPECTRE: Manipulation of single-order spectra
TALYS: Nuclear Reaction Simulator
ZODIPIC: Zodiacal Cloud Image Synthesis