This is a growing compilation of useful software and websites I often use for my natural product related research. Feel free to suggest further interesting stuff in the comments!
Software
Mass Spectrometry (MS)
mMass (free and open source)
Nuclear Magnetic Resonance (NMR)
ACD/NMR Processor (closed source, but free for academic use)
Chemical Drawing
ACD/ChemSketch (closed source, but free for academic use)
Databases
Compilation of MANY databases from all different fields
Other resources
Pharmacognosy links compiled by The American Society of Pharmacognosy
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