Real-time audio multi-analyzer.
Software written in max/msp, designed for live-improvising
A project for developing a realtime audio signal analyzer
An eye-catching audio analyzer developed in Java
A free spectrum analyzer plug-in that lets you monitor the spectral content of your audio signal in real time
A little application that redefines audio measurement.
Leq (Long-Term Equivalent Level) analyzer for audio files.
A free FFT-based real-time audio spectrum analyzer