Nepenthe: Smooth and Transparent Free Reverb (AU/VST3)

Nepenthe by Amalgamated Signals is a reverb plugin designed for smooth, transparent processing using velvet noise algorithms.

Key features:

  • Uses predetermined randomly-generated echoes instead of traditional delay line networks
  • Simple design optimized for modern CPU efficiency
  • Open source with annotated code and detailed design explanations
  • Six intuitive controls: Time, Delay, Bass, Treble, Width, and Mix
  • Time control sets reverb decay (60dB) in seconds
  • Pre-delay adjustment in milliseconds
  • Independent bass and treble frequency shaping
  • Stereo width and dry/wet mix controls

Available as AU/VST3 for Mac and VST3 for Windows. Free download with optional donation support.

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