Buchla Lightning II
Specialized MIDI controller that senses the position and movement of handheld wands and transforms this information to MIDI signals.
Chordboard
CX10 Keyboard Controller sends out preprogrammed chords similar to "one touch" chords on a Casio Tone
Kenton Electronics
UK specialists in MIDI to Control Voltage conversion and MIDI control
Marimba Lumina
Electronic MIDI controller. Includes a traditionally arrayed set of electronic bars and some (not so traditional) trigger pads and strips (reminiscent of early ribbon controllers).
Optimusic Light to MIDI controller
Creates note on and off messages depending on where light beams are broken
Rubicon Systems
Makers of hardware and software to turn a Palm Pilot into a MIDI controller
The Soundbeam Project
A device which senses movements by people standing nearby and converts them into MIDI