Galactic Data Viewer
The Galactic Data Viewer version 2.1 is the perfect (not to mention, Free!) tool for viewing, displaying, and sharing your spectral and chromatographic data files saved in the popular Galactic SPC format [E]
PiSystems XTE
The fastest, most reliable and at the same time most user-friendly quantum-chemical program for the calculation of electronic spectra and colours of organic molecules as well as for the support in synthetic science (CH) [D, E]
Atomic Spectra Database
NIST Standard Reference Database #78. The spectroscopic data may be selected and displayed according to wavelengths or energy levels (USA) [E]
X-ray Photoelectron Spectroscopy Database
The NIST X-ray Photoelectron Spectroscopy (XPS) Database gives easy access to the energies of many photoelectron and Auger-electron spectral lines (USA) [E]
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