PC based Oscilloscope and Spectrum analyzer using sound card
A loudspeaker phase linearization, EQ and filtering tool
Fast, bit-perfect audio editor that doesn't modify samples needlessly
A Java Software who classifies MP3 files into: Calm, Medium, Agitated
Audacity AudioMonitor (customized version of of Audacity 1.3-13-b).
Application to use a touch-sensing tablet as a MIDI instrument
Generate audio data from scratch