Enner is a synth that uses your body as a patch cable, which they refer to as “Biological Connectivity”. This synth goes inside you.
But not in that way (get your mind out of the gutter)
MIDI Grid is a fun and free midi plugin that uses a 4-way pong/pinball game-like interface to generate random note patterns.
Mine S is a customizable and Modular MIDI Controller. Like if Dave Smith invented Legos.