Open-source alternatives to FM8

FM8 is made by Native Instruments. These project covers similar ground for free. Each one does part of the job, so check the notes on its page.

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Dexed

GPL-3.0Active

A faithful six-operator FM synth modelled on the Yamaha DX7. It loads original DX7 patch banks, so decades of classic electric-piano and bell sounds work out of the box.

Formats

VST3
AU
LV2
Standalone

Works on

Windows
macOS
Linux

Stars3.6k

UpdatedOct 31, 2026

Instead of

FM8

Browse the category

Synthesizers16

Also replacing

Serum
Massive
Sylenth1
Chromaphone