May I suggest something along the lines of Dmytri Kleiner's Peer Production License?
As discussed more generally on P2P Foundation: http://wiki.p2pfoundation.net/Copyfarleft
As discussed more generally on P2P Foundation: http://wiki.p2pfoundation.net/Copyfarleft
AMA
Do you have licensing recommendations for software along the lines of copyfair/copyfarleft?
For capital information goods I recommend the GPL, or even BSD style licenses depending on what it is and who is making it and what their plan is.