Scopes & Realtime Visualizers
- Alsa-Nyser cool scope from Raphael Francois
- Bomb an interactive a-life "visual-musical" instrument
- Cthugha "an oscilloscope on acid..."
- DireShow frequency analyzer with a nice SVGA interface
- Freq51 realtime spectrum analyzer, and a patch which indicates frequencies as musical note-names
- JAAA the JACK & ALSA Audio Analyser, an audio signal generator and spectrum analyser from Fons Adriaensen
- JXSpectrum and XSpectrum two more frequency analyzers
- Oscilloscope a DSSI plugin from Lars Luthman
- ScopeShapes oscilloscope that uses soundcard output to produce 2D/3D vector graphics
- SonaSound realtime music/sound visualization program from Niklas Werner
- Sonogram very nice audio visualization package from Christoph Lauer, requires Java2
- SoundMan another excellent audio visualization app
- Synaesthesia lightshow calculated from FFT and stereo positioning information
- Waterfall realtime spectrum analyzer for XMMS
- WMscope audio display applet for Window Maker or Afterstep
- YASS yet another scrolling scope, this one from Fons Adriaensen
- baudline excellent realtime frequency analyzer with varied displays
- eXtace a much-improved version of this scope/visualizer
- fluxus is "... a small realtime render engine for Linux that generates animation from sound", from Dave Griffiths of SpiralSynth fame
- jack_oscrolloscope realtime waveform viewer from Dominic Sacré
- kanalyzer KDE applet to display the spectrum or the time-domain signal from a soundcard
- sndpeek "... performs feature extraction on audio files or live audio input with real-time display of waveform, spectrum, and features", from the crew at the Princeton Soundlab
- xanalyser realtime frequency spectrum analyser for X, from Arvin Schnell