SSpectraComp
We hands-on test every spectroscopy tool we review. Our recommendations are based on real-world use.
The Latest
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.

Related

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.

Spectragryph alternative tools

Spectragryph Is Gone. Here's What to Use Instead.

After the developer's passing, thousands of users need a new home. We tested every viable replacement.

Choosing spectroscopy software

How to Choose the Right Spectroscopy Software for Your Lab

Resolution, library size, file format support - the criteria that actually matter, ranked.

The SpectraComp Lab

Spectragryph migration guide
SOFTWARE COMPARISON

Spectragryph Alternative: The Complete Migration Guide

After the developer's passing in December 2024, 22,500 users need a new home. We tested every viable replacement and ranked them by use case.

by SpectraComp · Published July 2026
Software buying guide
BUYING GUIDE

How to Choose Spectroscopy Software for Every Lab

Free vs. paid, desktop vs. web, proprietary vs. open-source - the buying criteria that actually matter, explained by working spectroscopists.

by SpectraComp · Published July 2026