Spekwin32

just visit the Hackaday project page, read the description and download... It's free. Links:
https://hackaday.io/project/11264-universal-software-for-diy-spectrometers

Build

About this tool
Description	Spectroscopy software for DIY spectrometers based on USB webcam detectors. Able to grab images from the webcam and convert them to spectra on the fly. Plus fully blown spectral processing & analysis capabilities. Free for non-commercial use. Measuring intensity distribution of light over visible wavelengths. Could be used to do transmittance, absorbance, fluorescence and even Raman spectroscopy. All necessary calculations built in.
Ideal Age Group	A basic understanding of spectroscopy is mandatory.
Training	Learning materials are available online.
Expected lifetime	Should last more or less forever
Topics	Climate & Weather, Food, Education, Chemistry, Physics
Activities	At home, At school
Tool updated	April 17, 2017, 5:50 p.m.