Spotting GPL violations
jeroen at vrijschrift.org
Sat Dec 11 15:30:00 UTC 2004
At Sat, 11 Dec 2004 13:21:59 +0000,
Philip Webster wrote:
> A piece of software has come to my attention that may be violating the
> GPL. Details are as follows:
> - The software is an interface (GUI, intermediary routines) between a
> proprietary operating system and the Free printing system GIMP-Print.
> - The company distributing the software is not offering source code, and
> has not licensed the derivative work under the GPL.
The question is whether this is really a derivative work. "An
interface" doesn't really say anything, it can be a library interface
or it could talk over some protocol using sockets.
> - The software can only be downloaded after a 'donation' is received to
> unlock the download page.
This on itself is allowed under the GPL, but you aren't allowed to add
extra restrictions on the software downloaded.
> - The software is downloaded as a complete package which includes both
> proprietary and GPL-licensed code. The interface itself is useless
> without GIMP-Print and was written specifically for it, rather than as
> an abstract printer interface and GUI. It is also possible to download
> the Free parts separately.
> This sounds a LOT like a GPL violation, but I'd be interested to hear
> what others' first impressions are.
> I'll post some links to more detailed evidence once the initial batch of
> responses come in...
Not giving all information is really counterproductive with things
like this. If you don't give the details, I can't give a good opinion
More information about the Discussion