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Re: [tlug] GPL vs. paid version and ethics

On Sun, 05 Aug 2012 12:07:01 +0900
Darren Cook <> wrote:

> Thoughts? Pointers to intelligent previous discussions on this topic?

Others have already written that any company who does open source
their code has to be prepared that someone else (even a competitor)
forks their code and implements the features they are selling.
Thus, i will not linger on that but point into a few directions:

The most widespread place where GPL code and comercial use is
coexisting is probably the linux kernel. Thus there are some
documents that deal with that, [1] might give you a start for this.
I'm quite sure i've seen such discussions on LWN in the past, but
i dont remember what the exact topic was.

The next project that comes to mind is mysql. It has long been
a GPL/Comercial dual licensed project and, interestingly, has not
been forked (successfully) until Oracle bought Sun.

Interestingly, OpenSolaris, which was a project that had been
opensourced, died down pretty fast, when Oracle withdrew its support.
Although it had quite a bit of a community around it. There is
still a fork being worked on (Illumos/OpenIndiana/..) but i have
not heard anything from them since the initial anoucement in 2010,
hence cannot comment on their activity. But i think this might be
the best example on what happens if a company that open sourced
its code goes against its own community.

			Attila Kinali

Why does it take years to find the answers to
the questions one should have asked long ago?

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