Compare software

ZynAddSubFXVital
Freemium

Source code is free; the Zyn-Fusion binary release is pay what you want from $45.

 Freemium

A free tier is available, with paid tiers offered alongside it.

Windows, macOS, Linux Windows, macOS, Linux
  • Three synthesis engines including PAD synthesis
  • Wide choice of filters and free-form envelopes
  • Spectral warping creates varied timbres from simple waveforms
  • Converts your own samples into wavetables and can generate them from text
  • Ready-made Zyn-Fusion binaries are paid
  • Deep parameter set takes time to learn
  • Runs as a plugin, so it needs a DAW or plugin host
  • The number of features can take time to learn
Downloadable app Downloadable app
Open source Closed source
License: GPL-2.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.