Module is available as a DIY project only.
No info about availability.
Lag processor / slew limiter
Lag Processor is an implementation of Harry Bissell's Morph Lag circuit.
UP: sets lag time for positive (increasing) voltages.
DOWN: sets lag time for negative (decreasing) voltages.
SHAPE: sets the response from linear to logarithmic.
Out / Invert
http://larry.retrosynth.com/larry/schematics/Morph-Lag/Morph-Lag.gif
ProCo RAT 2
Greco S-55 N-60 ES-175
Fender American Professional II
Schecter C-8 Silver Mountain Multiscale
Electro-Harmonix Micro Q-Tron Envelope
Polyend Play+ Sample-Based MIDI