Educational
Basics of NMR (J.P. Hornak, Rochester Institute of Technology, USA)
Advanced NMR Course (F. Sauriol, Queens University, Canada)
NMR Knowledge Base (Wiley)
NMR-Spektroskopie (ChemgaPedia, FIZ Berlin/Wiley)
NMR Wiki (Open NMR project by E. Fadeev, UCI, USA)
Stan's Library (Useful literature links and blog)