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A hybrid synthesizer that mixes wavetable, FM, subtractive and modular-style routing, with a deep effects section and thousands of patches. One of the most complete free synths around.

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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
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Works on
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The VCV Rack modular environment packaged as a plugin, with a large bundle of modules, so you can patch a whole modular system inside your DAW.

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  • VST3
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Vital

GPL-3.0Dormant

A spectral-warping wavetable synthesizer with a clear, drag-and-drop interface, in the same league as Serum for modern wavetable sounds.

Formats
  • VST3
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ZynAddSubFX

GPL-2.0Active

A long-running software synthesizer built on additive, subtractive and pad synthesis, known for huge evolving pads and a very large modulation system.

Formats
  • LV2
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Works on
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Odin 2

GPL-3.0Quiet

A semi-modular polyphonic synth with three oscillators, a flexible modulation matrix and a built-in effects chain. Good for thick leads, pads and basses.

Formats
  • VST3
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  • AU
  • LV2
Works on
  • Windows
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RipplerX

GPL-3.0Active

A physically modelled synth that rings resonators such as strings, plates and tubes, for mallet, bell and percussive tones.

Formats
  • VST3
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  • LV2
Works on
  • Windows
  • macOS
  • Linux
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