Synth variant built on the SLOOP groovebox firmware.

Generative firmware with multiple generators and song forms.

Eight-voice analog-style polysynth with mixer, effects and step sequencer.

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

Six monophonic machines with a parameter-lock step sequencer and lo-fi bus.

Chord machine that follows and voices harmonies as you play.

Drone synth inspired by multi-oscillator drone instruments and subharmonic synths.

Modular synth environment with a nested patch editor.

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

Eight-voice virtual analog synth modeled on a classic single-oscillator mono synth workflow.

Groovebox firmware forked from Felucca.

Reverse engineering notes and experimental firmware.

Tracker firmware.

Space-adventure themed firmware built on SLOOP.

Native plugins that run inside MPC OS in standalone mode.

Generative sequencer instrument in the 1970s Berlin School style.

Drone firmware for dark ambient textures and feedback.

Independent synth firmware that grew out of the Felucca codebase.

Eight-track groovebox focused on sound design.

Eight-track groovebox with nine sound engines and step-level tricks.

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

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

Custom FM-1 firmware project.

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