Dual/mutli licensing is one avenue towards effective monetization of GPL code. GPL use of the code is kosher, if you want to use it without being beholden to t

Dual/mutli licensing is one avenue towards effective monetization of GPL code. GPL use of the code is kosher, if you want to use it without being beholden to the terms of the GPL, you pay for different licensing terms. That said, the GPL is not always the best license for this and yes, it can lessen the grip you have on extracting profit from code, but the lessened grip is the point of the license.