1)   Axis Spectrum Analyzer 3.0.0 Instant generation of synchronized audio and video spectrum analyzers in Flash with audio recorded from any source in MP3 format. 2)   DSSF3 Light 5.0.7.x DSSF3 Light is a highly advanced sound analyzer greatly exceeding the usual FFT analyzer's performance. DSSF3 Light is equipped with the signal generator, the FFT analyzer, the sound level meter, the oscilloscope, and the sound recorder. 3)   Rainbow 5.11 Find best Spectral Estimation Method for a Power Spectral Density plot. A menu of 10+ spectral estimators from Steve Kay's textbook 'Modern Spectral Estimation' 1988 is available to choose from. Some estimator results differ dramatically! 4)   RAL / Realtime Analyzer Light 2.0.0.2 Quality sound measurement software equivalent to at least US$10,000 hardware.You can use it for wide scope of audio and acoustics: car audio, home audio, concert hall and room acoustics, sound analysis and noise measurement. 5)   DSSF3 Full system Version 5.0.7.x Various sound measurement can be performed using a various functions in the realtime analyzer.DSSF3 is the world's highest class measurement system equipped with the latest technology. 6)   DSSF3 Basic 5.0.7.x The free version of the advanced sound measurement software DSSF3 is now available. It consists of the signal generator, sound recorder and player, and the peak level meter.