Synth variant built on the SLOOP groovebox firmware.

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

Chord machine that follows and voices harmonies as you play.

Generative firmware with multiple generators and song forms.

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

Reverse engineering notes and experimental firmware.

Modular synth environment with a nested patch editor.

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

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

Generative sequencer instrument in the 1970s Berlin School style.

Drone firmware for dark ambient textures and feedback.

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

Eight-track groovebox focused on sound design.

Custom FM-1 firmware project.

Independent synth firmware that grew out of the Felucca codebase.

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

Native plugins that run inside MPC OS in standalone mode.

Groovebox with classic drum machine voices, two acid bass lines and a breakbeat generator.

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

Groovebox firmware forked from Felucca.

Custom synth and sequencer firmware.

Pocket arranger that generates backing parts in the style of 90s portable sequencers.

Synth inspired by a classic three-oscillator monosynth.

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