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Re: Recommendation for a CL data structures library

From: Nicolas Neuss
Subject: Re: Recommendation for a CL data structures library
Date: Tue, 04 May 2010 16:09:49 -0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

David Kastrup <> writes:

> It does not get you "anything additional", but it gets you something
> _less_: a proprietary product that uses your own code to draw your
> user base away from you.

This is quite understandable - I would not really like seeing Microsoft
use my code.

However, when I was in search for a license for code of mine -Femlisp, a
PDE solver written in Common Lisp- I stood before the question which
license to choose[*].  A commercial license did not make much sense,
because the code was (and is) not yet commercially valuable.  However, I
wanted to retain at least some possibility of providing enhanced value
(in the form of additional features) within a commercial setting.  A GPL
license would make this business model impossible for everyone -
_including me_ as soon as other people would start contributing relevant
portions of code under the GPL.  Therefore, I decided in favor of the
(modified) BSD license.


[*] More precisely, I asked my university for permission to use either
GPL or BSD, and then had the choice.

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