Alternatives to Helm for all platforms with any license

  • ZynAddSubFX

    ZynAddSubFX is a fully featured open source software synthesizer capable of making a countless number of instruments, from some common heard from expensive hardware to...

    Freemium $ $ $ Open Source Mac Windows Linux BSD

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    ZynAddSubFX icon
  • Surge Synthesizer

    Open-source subtractive-hybrid synthesizer formerly sold commercially as Vember Audio Surge.

    • It's a full-featured and very flexible synth, is actively developed and also free, not freemium) zemuro11 days ago Disagree   Agree

    Free Open Source Mac Windows Linux

    Surge Synthesizer icon
  • padthv1

    An old-school polyphonic additive synthesizer.

    Free Open Source Linux BSD

    No features added Add a feature

    padthv1 icon
  • samplv1

    samplv1 is an old-school all-digital polyphonic sampler synthesizer with stereo fx.

    Free Open Source Linux BSD

    No features added Add a feature

    samplv1 icon
  • synthv1

    synthv1 is an old-school all-digital 4-oscillator subtractive polyphonic synthesizer with stereo fx.

    Free Open Source Linux BSD

    No features added Add a feature

    synthv1 icon
  • Tunefish 4

    A virtual analog synthesizer, Tunefish v4 was developed as a smaller replacement of Tunefish v3 with roughly the same power - some might argue it's even more...

    Free Open Source Mac Windows Linux

    No features added Add a feature

    Tunefish 4 icon
  • Oxe FM Synth

    Oxe FM Synth is an open source VST 2.4 instrument plugin for Windows, Linux and Mac OS X.

    Free Open Source Mac Windows Linux

    No features added Add a feature

    Oxe FM Synth icon
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  • Synth1

    Synth1 is a software synthesizer. Functionally it is modeled on the Clavia Nord Lead 2 Red Synth.

    Free Mac Windows

    No features added Add a feature

    Synth1 icon
  • Serum

    VST for FL Studio, Ableton Live, and many other VST supported DAWs. Heavily utilized in EDM.

    Commercial $ $ $ Mac Windows

    Serum icon

Platforms

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