iSpectral
Lab Tools
Spectrum Analyser
keuwlsoft
Spectroid
Carl Reinke
Spectrometry
PASCO scientific
Vernier Spectral Analysis
Vernier Software & Technology
Advanced Spectrum Analyzer PRO
Wojciech Czaplejewicz
Audio Spectrum Monitor
TadaoYamaoka
사운드 스펙트럼 분석기
PC Mehanik
Spectrum - Music Visualizer
Y. MOCHIDUKI
Dominant λ Light Spectrometer
Contechity