Fathom Synth by Seaweed Audio
Windows 32/64 VST, Mac OSX 64 AU/VST

Fathom Synth Pro
32 Voice Polyphonic Modular Software Synthesizer.
Resizable GUI.
Modular Signal Flow.
Free-hand and Bezier curve Wave Drawing.
7 Types of Oscillators + AM/FM, Noise and Distortion.
7 Modulators including ADSR, Drawable LFO, Multi-Segment Envelope, Sequencer, Random Sample and Hold.
16 x 16 Wave Table with Morph, Add, Subtract, Phase and Pulse Width Modulation.
32 Filters.