While I favor BSD and MIT licenses myself that's all I will use, obviously we've had very successful software that is copylefted. There are people who won't co

While I favor BSD and MIT licenses myself that's all I will use, obviously we've had very successful software that is copylefted. There are people who won't contribute to your program if it's BSD or MIT. There are those who won't contribute to your program if it's GPL. A program with any license is at risk of being abandoned as a quirky curiosity, if it, doh, is a quirky curiosity.