Cocoa Delay is a free, open-source delay plugin in VST format. It focuses on clean design, easy operation, and a warm, lively sound.

Notable features:
– Delay time drift, for giving the wet signal a slight wow/flutter effect
– Adjustable wet level ducking based on the input signal
– Static, ping-pong, and circular pan modes
– Drive section based on open-source Airwindows saturation code

Cocoa Delay is free and open-source!
Cocoa-Delay