LDCT is a cross-platform tool for common speaker design calculations.
display, record, add special effects
Analyze and reassemble TS (mpeg transport stream) fragments
Thérémine generates high quality audio from an USB Arduino Theremin
Identify duplicate songs based on track metadata (ID3, etc)
Funcube Dongle Pro+ Data Capture & Audio Output
Zwicker's Loudness Calculation (ISO532B) Tools