Alan Kay wrote:
> I forget what licence Apple is currently using for their opensource 
> stuff, but I've been told it is like BSD. Could you have your lawyer 
> look at it? It might be easiest to get Apple to relicense Squeak using a 
> model they currently use, if it works OK for us. If this looks good, I'm 
> happy to ask Steve to let us do it.

I asked this very same question in March:

http://lists.squeakfoundation.org/pipermail/squeak-dev/2003-March/054804.html

Hopefully the answer has changed?  :)

-Jack