- Baja BBE Sonic Stomp [Verified] – Filter.
- Bespeco Weeper [Verified] – Wah circuit.
- Boss OC-2 Octaver [Verified] – Without the input buffer and switching.
- Boss SG-1 Slow Gear [Verified]
- Catalinbread Heliotrope [Verified] – Ring modulator / bit crusher.
- Crowther Prunes & Custard [Verified] – Filter.
- DOD 440 Envelope Filter [Verified]
- Envelope controlled State Variable Filter [Verified] – A MuTron III / Meatball derivative auto-wah I put together.
- Envelope Shaper [Verified] – Swell effect a.la. Boss SG-1.
- Escobedo’s Jawari [Verified] – Octaver. Sitar emulator.
- Green Ringer [Verified] – Ring modulator.
- Lovetone Meatball [Verified] – Envelope filter with lots of options.
- Mad Professor Snow White Auto Wah [Verified] – Envelope filter.
- Marshall Speaker Simulator [Verified]
- Mu-Tron III [Verified] – Envelope filter.
- MXR BlueBox [Verified] – Octaver.
- Oberheim VCF / Maestro FSH [Verified] – Envelope filter/sequencer.Input buffer removed to reduce parts count.
- Oberheim VCF / Maestro FSH v2 [Verified] – LM13600 verison with input buffer retained and on-board charge pump.
- ROG Condor cab simulator [Verified]
- Shin-Ei Octave Box [Not yet verified] – Octave down.
- Systech Harmonic Energizer [Verified] – Filter.
- Variable bandpass filter [Verified] – Based on an R.G.Keen design with M.Hammer mods.
- Variable bandpass filter /w noise [Verified] – Same as above but with additional noise source.
- Woody acoustic simulator [Verified] – Designed by Mark Hammer.
- Wah-in-a-box [Verified]