Announced
–Synthesizer
M-VAVE · Synthesizer with open-source firmwareFM-1
Compact FM synth. With “FM1 Open” the app code is open and the sound engine comes as an SDK. Updates and custom builds run through the browser workbench.
Commercial custom firmware such as Groove OS is not open source.
Open Source
- Released
- GPL-3.0 App code GPLv3 with SDK linking exception; the sound engine ships as a binary SDK
- github.com/m-vave/fm1_open
- 2026-10-13
- Medium
- 2026-11-06
What you can build with the open firmware
- Custom FM algorithms with more operators
- Arpeggiator with random mode
- Back up presets via MIDI SysEx
Vibe coding · starter prompt for your AI
I have an M-VAVE FM-1 and the open “FM1 Open” firmware. Explain the code structure and show me how to add a new FM algorithm. I'm not a professional programmer.
Sources
- GitHub m-vave/fm1_open
- Synthtopia
