Quixotic7
Chord instrument: one hand plays roots, the other shapes chords.
Chords and harpM-VAVE FM-1M-VAVE SMK-37 familyOpen source
v0.27
Browse published firmware, apps and tools for this device. Compatibility and installation remain release-specific.
Quixotic7
Chord instrument: one hand plays roots, the other shapes chords.
v0.27
Charles Vestal
Omnichord-style chord harp with rhythm patterns.
v0.4
genkigenki
FoMni SMK-37: chords firmware for SMK-37 by genkigenki.
smk37-v0.2
Charles Vestal
Polly: groovebox / chords firmware for FM-1 and SMK-37 by Charles Vestal.
v0.6
genkigenki
Polly SMK-37: chords firmware for SMK-37 by genkigenki.
smk37-v0.4.1
These community projects keep their own lists and installers. Facts on this page were checked on 12 Oct 2026 against GitHub, the authors’ pages and the directories below.