Open firmware for the Akai MPK mini IV: 8-track looper, harmony, arp, step edit, nine mod-wheel effects and a TE-style screen.

Open-source Deluge firmware maintained by Synthstrom and the community.

Eight-track groovebox focused on sound design.

Modular synth environment with a nested patch editor.

Live groovebox firmware and the base of many FM-1 derivatives.

Widely forked community groovebox firmware that many other FM-1 builds are based on.

Reverse engineering notes and experimental firmware.

Singing robot with a backing band.

Experimental synth firmware derived from SLOOP.

Tracker-style firmware derived from Felucca, aimed at dungeon synth music.

Drum-focused groovebox firmware based on Felucca, with a Bluetooth build as well.

Independent synth firmware that grew out of the Felucca codebase.

Chord machine that follows and voices harmonies as you play.

Groovebox derived from SLOOP with sample tools and event tape editing.

Synth inspired by a classic three-oscillator monosynth.

Groovebox firmware forked from Felucca.

Official M-VAVE source release of the FM-1 firmware with its binary engine SDK, the base most community builds start from.

Four-track firmware for dark ambient and dungeon synth styles.

Six-track groovebox with fourteen synth and drum engines and a 64-step sequencer.

Open framework that adds synths, effects and tools to Move.

SLOOP fork with an FM synthesis engine.

Tape-replay keyboard emulation with lo-fi coloring, built on the Dinghy base.

Live performance firmware with self-playing genre patterns you steer in real time.

Ambient drone and texture firmware.