Automate the microtonal scale designs of Erv Wilson in your DAW

PoZeTool is a filter design and visualization tool. It allows you to place poles and zeros in the Z-plane and instantly observe how they affect a filter’s behavior. It can be used as an audio plugin or in standalone mode.

dynamic equalizer plugin

Hyper-Unison Synthesiser from Bow Church/Vitling

A GUI builder module for JUCE - with examples

The ultimate JUCE extension for building GUIs

Synthesizer plug-in (previously released as Vember Audio Surge)

Various VST/AU Plugins from SocaLabs.com

Hybrid Android / JUCE Audio Library Targeting Music Applications