amsynth is a free software synthesizer developed by nickdowell. Available format(s): Audio Unit, LV2, DSSI for macOS, Linux.
amsynth is a software synth that provides a classic subtractive synthesizer topology, with:
- Dual oscillators with classic waveforms – sine / saw / square / noise.
- 12/24 dB/oct low/high/band-pass resonant filter.
- Independent ADSR envelopes for filter & amplitude.
- LFO which can modulate the oscillators, filter, and amplitude.
- Switchable mono/legato/polyphonic behaviour.
- Distortion.
- Reverb.
http://www.nickdowell.com/amsynth/