Vavdo has released Vavdo S, a free software "modular" synthesizer for Mac OS X designed for the Vavdo A physical interface.
The current version includes four different synth modules auto-mapped to Vavdo A1 or A2. You can of course set up your own OSC/MIDI controller or use it from its GUI.
The synths are:
- Subtractive Bands (two parallel filters).
- Subtractive LFO (multi-modulated filter).
- Subtractive LFOcat (linked multi-modulated filters).
- Tape Players (two audio loop players).