BugBrand has intreoduced the AudioWeevil08 - both a synth-sound generator and an audio processor - with a load of chaos possibilities chucked in too.
Features:

Audio Input through a CMOS Overdrive/Distortion - a powerful input (1/4″ mono jack) suitable for guitar or line levels. There are two levels of drive offering clean or distorted sounds. The [...]

 

 Sonics just from the internal synth [5:07m]: Play Now | Play in Popup | Download

UK synth guru Tom Bugs’ BugBrand offers a constantly expanding and mutating range of electronic sound & effect devices, all built by hand in Bristol, singly or in small batches.
“All designs mix experimental audio circuitry with ideas taken from the techniques of circuit bending, and bring together many different controls and playing methods to give [...]