SpectrumFFT
One of the first visualizers from the early days of AudioLevel has been revamped with:
- Lots of settings to play with
- Dynamic meter/measure generation for unlimited bands
- 19 color scheme presets (what's your favorite?)
Source / How to make your own color schemes
DeltaFFT
Displays the delta (difference) between the previous and current frame of audio FFT. Features:
- Linear and radial variants
- Delta and decay modes
Source