Felucca
Open multi-engine synth platform: 13 engines, 4 tracks sharing 8 voices, 64-step sequencer, mod matrix, USB and TRS MIDI, USB audio. The base most other FM-1 firmwares fork.
Brick risk. Flashing this carries a known, documented risk of damaging the device.
- Distribution
- Browser installer (WebMIDI / WebUSB)
- License notes
- Bundled fonts and ported DSP keep their own licences (LICENSING.md, LICENSES/).
- Source
- github.com https://github.com/hugelton/Felucca
- Homepage
- hugelton.github.io https://hugelton.github.io/Felucca/
- synth-engine
- sequencer
- fx
- usb-audio
- midi
- wavetable
- granular
- physical-modeling
- fm
- editor
- platform
Description
Thirteen engines with factory presets (analogue, 6-operator FM, phase distortion, samples, granular, drums, Plaits- and Rings-derived physical models), a 64-step sequencer with chords, ties, chance, conditions, ratchets and automation, songs, effects, a MOD matrix, MIDI learn, a web editor and a browser demo. Most of the scene (SLOOP, X0X, FoMni, Melodee and others) is built on its hardware layer and update loader.
Install notes
Web installer in Chrome or Edge over USB, or tools/fm1_install.py from a terminal. The installer's Return to official V15 and M-VAVE's updater both go back to stock. Build guide: BUILDING.md.
Version history
| Version | Date | Notes |
|---|---|---|
| 1.6 | 2026-10-13 | Custom UI colours, conditional steps, EUCLID, MIDI channel per track. Projects with conditional steps do not open on 1.5 or 1.5.1. |
| 1.5.1 | 2026-10-10 | |
| 1.5 | 2026-10-09 | |
| 1.4.1 | 2026-10-09 | |
| 1.4 | 2026-10-09 |