Synth 1 is a freeware Windows VSTi & DXi synth, the site is in Japanese but you can view an English translation here.
- 2 oscillators, with FM, Ring modulation and Sync.
- 4 Filters (LP12/24/HP12/BP12) with Distortion.
- 2 LFOs.
- EQ, Tempo delay, Stereo chorus, Flanger.
- Mono/Poly/Legato modes.
- Arpeggiator
- 16 voice polyphonic.
- 128 presets.