Checked September 2026
Ichiro Toda (Daichi Laboratory)
Synth1 review
SynthsFree version
Free virtual analog softsynth modeled on the Clavia Nord Lead 2, widely used since the 2000s. Best for a free, CPU-light virtual analog synth with a huge legacy preset ecosystem. Price: Free.
Key features
- 2 oscillators plus 1 sub-oscillator
- 4 filter types with distortion
- 32-voice polyphony
- 128 included presets
- Arpeggiator and tempo-synced delay
Pros
- Freeware, explicitly licensed for commercial track use
- A massive community preset library built up over roughly 20 years
Cons
- Last updated June 19, 2021 (v1.13 beta11) and appears unmaintained
- Mac support limited to 64-bit AU only as of the last release; no VST3/AAX
Synth1 alternatives
Advanced hybrid wavetable synthesizer with flexible effects and a built-in sequencer.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supportedFree 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
Sources: daichilab.sakura.ne.jp