AmSynth is a standalone polyphonic subtractive synthesizer. It supports
OSS, ALSA and JACK for Audio and MIDI I/O. Features are as follows.
o Dual oscillators with classic waveforms - sine / saw / square / noise
o 24 dB/oct low-pass resonant filter
o Independent ADSR envelopes for filter & amplitude
o LFO which can module the oscillators, filter, and amplitude
o Distortion effect