For a final project in college, I made a pure data patch that acted as a homemade guitar pedal, with Fuzz, Reverb, Tremolo, Overdrive, Synth, and a looper. I control the effects with a usb/midi device to turn on/off effects, affect parameters, and mix volume.
NEW! Just launched my channel, Creative Coder's Tool Kit. Check it out at https://www.youtube.com/channel/UCyoG1vC8kORYjiATolDvHjw