SpectraMerger 

Merges spectra (each MS level separately), increasing S/N ratios.

RDKit From IUPAC 

Converts IUPAC names to RDKit molecules.

SiriusExport 

Metabolite identification using single and tandem mass spectrometry

HighResPrecursorMassCorrector 

Corrects the precursor mass and charge determined by the instrument software.

PeakPickerHiRes 

Finds mass spectrometric peaks in profile mass spectra.