3. It's like the Mozilla Firefox vs Debian Iceweasel controversy. Or Redhat vs Centos. The code is open, but the trademarks are copyrighted. If Growl is a trademark and the brand artwork is non-free, then forks can't use it without permission.
I kind of respect the choice of Mozilla and Redhat to defend their trademarks because it's partly an issue of quality control and reputation. But I do prefer projects that put branding under a creative commons license. It's closer to the spirit of free software. I suggest the forked Growl choose a new name and put the branding under a free license.
I kind of respect the choice of Mozilla and Redhat to defend their trademarks because it's partly an issue of quality control and reputation. But I do prefer projects that put branding under a creative commons license. It's closer to the spirit of free software. I suggest the forked Growl choose a new name and put the branding under a free license.