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

Spectroscopy Software Comparison Matrix
by SpectraComp · August 2026

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.

Open Specy vs Essential FTIR

Open Specy vs. Essential FTIR: Which Free Tool Should You Actually Use?

Both are free, but they solve very different problems. Here's how to choose.

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
FTIR spectrometer pricing
PRICING GUIDE

How Much Does an FTIR Spectrometer Actually Cost?

From $15K benchtop units to $200K research systems, we break down what you'll actually pay - including the hidden costs manufacturers don't advertise.

by SpectraComp · Published August 2026