Online data tools
From NMR Wiki
Online tools, no software installation necessary.
NMR
nmr frequency map & calculator by Alex Jerschow
Karplus equation calculator
NMR calculator pulses, power levels, delays, temperature
Bio NMR
PINE Server (@ NMRFAM, automated backbone and sidechain assignments for proteins and more)
Wishart's team
shiftx structure to chemical shift
shiftcor chemical shift re referencing
DynaMR Backbone dynamics
RCI Random coil index
VADAR server comprehensive geometrical analysis of protein structures
Math
zunzun - may be all you need to fit curves to your data
Statistics applet @ Univ. of Baltimore
Biochemistry
Buffer recipe calculator
Molecular Biology Workbench comprehensive library of online bioinformatics tools @ San Diego Super Computer Center
Calculator of Peptide properties
Chemistry
ChemSpider online database of >20 million molecules and Open Spectral Data
