| | Best Free Software | Time to learn | | :--- | :--- | :--- | | Open a strange .0 file from an old Bruker | Open Source Spectroscopy (OSS) | 30 min | | Do a simple polymer ID using a library | Open Specy (web version) | 10 min | | Deconvolute overlapping OH and NH stretches | Fityk | 2 hours | | Automate processing of 500 soil FTIR spectra | Python + ramanSPy | 1 day (setup) | | Correct ATR spectra without a license | Essential FTIR (free) | 5 min | | Perform PCA to classify 3 batches of drug samples | Open Source Spectroscopy | 1 hour |