SSpectraComp
We hands-on test every spectroscopy tool we review. Our recommendations are based on real-world use.
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Best free spectroscopy software

The Best Free Spectroscopy Software We've Tested So Far

by SpectraComp · July 2026

Out of the free platforms we've tested, these stood out for peak detection accuracy, library search quality, and overall usability.

Our approach

Every review is based on hands-on testing. We install each program, process real data, and evaluate the workflows researchers actually use.

A few expert-tested favorites we recommend

Our spectroscopists compare these tools through hands-on testing. And they're all solid picks right now.

Software comparison dashboard

SpectralBench Changed How We Think About Free Spectroscopy Software

The web-based platform handles FTIR, Raman, and UV-Vis in one place - with a growing reference library.