ARIA  www.pasteur.fr/recherche/unites/Binfs/aria Ambiguous Restraints for Iterative Assignment; automated NOE assignment and NMR structure calculation.

DINOSAUR  www.nmr.chem.uu.nl/~abonvin/software.html A free Fortran suite of programs for structure refinement using direct NMR nOe restraints.

LinuxNMR  www.nmrfam.wisc.edu/~volkman/LinuxNMR/index.html A guide to use free available programs for the structure elucidation of proteins

MORASS  www.nmr.utmb.edu/#mrass analyzes 2D NMR NOESY data from oligonucleotides and proteins to evaluate cross-relaxation rates from which interproton distances are obtained

Scalar Coupling Constant  www.stenutz.eu/conf/jhh.html Online calculation of proton-proton coupling constants from torsion angles or vice versa.

Spectrum Research, LLC.  www.specres.com Develops and sells Computer Assisted Structure Eluicidation (CASE) programs to the pharmaceutical, biotech and chemical industries.

SSIA - Simulation of Sterically Induced Alignment Tensor  spin.niddk.nih.gov/bax/software/SSIA/index.html A program for predicting the magnitude and orientation of a sterically induced alignment tensor

Validate your protein model  www.cheshift.com A quantum mechanics database of 13Cα chemical shifts for protein structure validation.