Hi Gaston, what about this one: http://www.imsrv.com/deskcnc/

It sounds like it handles 4-axis rotary type stuff...

It looks like the software is available for $250:
http://www.cadcamcadcam.com/software-deskcnconly.aspx

There is a demo version: http://www.imsrv.com/deskcnc/dcncdown.htm

It may be worth checking out.

- Michael