Theory
- New Standard Model, OSU, E. Herbst
- MultiWell, University of Michigan, J.R. Barker
- Starformat by Starformat collaboration
- Discrete dipole approximation scattering code by B. Draine
- Infrared Tool Shet by M. Wolfire et al.
- MieCalc - program for light scattering calculations (Mie theory)
- Opacities, Ohio Supercomputer Center (OSC)
- Scatterer models by V.B.Il'in and N.V.Voshchinnikov
- CLOUDY (N.L. Martin-Hernandez), Photoionization simulations by G. Ferland
- >IDL CLOUDY codes by H. Spoon
- DUSTY, Radiative Transfer code for dusty environments by M. Elitzu (CONTINUUM only)
- RATRAN by F. van der tak and M. Hoogerheijde
- RADEX (Leiden Observatory)
- ARTIST
- RADMC-3D, a multi-purpose radiative transfer tool
- Hyperion (CONTINUUM only)
- 2D-radiative transfer codes by C.P. Dullemond
- 2dust general-purpose dust radiative transfer code by T. Ueta
- PICKETT code by H. M. Pickett, JPL/Caltech
- PGOPHER a program for rotational, vibrational and electronic spectra by Colin Western (U Bristol)