https://launchpad.net/~falk-t-j/+archive/lucid-latest/
http://drobilla.net/blog/software/ingen/
Ingen seems to be the follow up of spiralmodularsynth (and AMS)
http://www.pawfal.org/Software/SSM/
http://alsamodular.sourceforge.net/
The principle is simple:
Make an sound input or oscillator, edit the sound and make an output...
See also http://en.wikipedia.org/wiki/Modular_synthesizer
and google on modular synthesis
Try it and share your Ingen patches!
