I would expect that if you bought a spectrograph it probably came with the software it needed. If not, check with the company to see what they recommend.
If you are looking for crowd sourced astronomy analysis software, you could try the third and fourth links.
If you are looking for screen savers that use pseudo-spectrographic patterns, then you are probably just better off googling up some choices for yourself.
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I would expect that if you bought a spectrograph it probably came with the software it needed. If not, check with the company to see what they recommend.
If you are looking for crowd sourced astronomy analysis software, you could try the third and fourth links.
If you are looking for screen savers that use pseudo-spectrographic patterns, then you are probably just better off googling up some choices for yourself.
hth.