Educational Material
Virtual Laboratory: NMR Spectroscopy (Ak Stalke)
Advanced NMR Lecture and NMR Data (H. Reich, formeryl U. Wisconsin)
The NMR Lab (Hebrew U.)
NMR Facility Blog (G. Facey, formerly U. Ottawa)
Exercises 1H/13C NMR (R. Haessner, formerly TU Munich)
NMR-Challenge Online-Exercises 1H/13C NMR (U. Prague)
NMRium Interaktive Online-Exercises 1H/13C NMR (EPFL)

Data Bases
Spectral Database for Organic Compounds (SDBS)
Search and Prediction of Chem. Shifts (NMRShiftDB)
CSearch Robot Referee (U. Wien)
Biological Magnetic Resonance Data Bank (BMRB)

Specialized Journals
Journal of Magnetic Resonance
Magnetic Resonance in Chemistry
Journal of Biomolecular NMR

Vendors
Bruker
Jeol
Quad Systems
Magritek (Benchtop NMR)
Oxford X-Pulse (Benchtop NMR)
Nanalysis (Benchtop NMR)
Q Magnetics (Benchtop NMR)
Mestrelab

Miscellaneous
GdCh Section MR (German)
NMR Groups worldwide