With more than 20 days to go, the m!Tone, is going to hit the market.
It uses Arduino compatible electronics to that you can hack the system but, unfortunately, it’s not open source in terms of electronics and design.
Maybe this be an inspiration for some music hackers!
The m!lTone is an open-source synth & MIDI controller.Create music & control video,lights & sound w/ this refreshingly original device.
via m!lTone- Portable Air Synth & MIDI controller by Milton Villeda — Kickstarter.