* Brian Thomas Sniffen: >> Software under the BSD license is free. Software that is sometimes under >> one and sometimes under another ought to still be free. > > It is. But software under a "you get GPL-like rights to my parts of > this thing we're building together, and I get BSD-like rights to your > parts" license is not free.
For quite a few GPL software projects, this is the only way to get changes into upstream. Does this make the software non-free? I don't think so, even though the process is just legally effective variant of the asymmetric license.