Checked September 2026
TheWaveWarden
Odin 2 review
SynthsFree version
Free open-source 24-voice polyphonic synth with custom waveform drawing and analog filter models. Best for experimenting with wavetable and analog-modeled synthesis at zero cost. Price: Free.
Key features
- 24-voice polyphony
- Custom waveform drawing
- Moog Ladder and Korg 35 filter emulations
- 5 onboard effects
- Extensive modulation matrix
Pros
- Completely free and open source with an active GitHub repo (1,500+ commits)
- Broad format support including CLAP and LV2 on Linux
Cons
- Development pace is hobbyist/community-driven, not commercial-grade support
- No AAX/NKS support for pro studio hardware integration
Odin 2 alternatives
Free spectral warping wavetable synth, the best-known free Serum alternative.
VST3supportedAUsupportedAAXnot supportedCLAPsupportedWINsupportedMACsupportedLNXsupportedFree, open-source hybrid synthesizer with extensive filters and a flexible modulation engine.
VST3supportedAUsupportedAAXnot supportedCLAPsupportedWINsupportedMACsupportedLNXsupported- FREE
Digital Suburban
Dexed
Free, open-source FM synthesizer plugin modeled closely on the Yamaha DX7.
VST3not supportedAUsupportedAAXnot supportedCLAPnot supportedWINsupportedMACsupportedLNXsupported
Sources: thewavewarden.com, thewavewarden.com, github.com