[cc-licenses] derivatives and source
invernomuto at paranoici.org
Mon Apr 9 04:53:09 EDT 2012
On Sun, 08 Apr 2012 12:25:28 +0100 Rob Myers wrote:
> On 04/07/2012 10:42 PM, Francesco Poli wrote:
> > I am already asking for a one-way conversion clause from CC-by-sa to
> > GPL and from CC-by to zlib.
> Apache 2 is the FSF's current recommendation for a permissive license.
The Apache license version 2.0  is a good recommendation for many cases
(so I agree with the FSF that it is a recommendable choice), but I
would not consider it as a simple permissive non-copyleft license:
first of all, it is GPLv3-compatible, but GPLv2-incompatible , which is
really unfortunate from my point of view (I prefer GPLv2 over GPLv3);
moreover, it is fairly long and not too simple.
I personally recommend the Expat/MIT license , when copyleft is
not desired. The 3-clause BSD license , the 2-clause BSD license,
and the zlib license  are equally good choices, even though some
of them are less known...
> Would this be acceptable, or would its mention of patents clash with BY?
I still prefer suggesting to introduce a one-way conversion clause from
CC-by to zlib, for the reasons outlined above.
> Out of interest, why zlib rather than MIT, which was the FSF's previous
> recommendation iirc? Zlib's no-misrepresentation clause seems less
> useful than MIT's waiver of warranties, although more in-keeping with
> BY's moral rights handling.
I chose to suggest the zlib license, since I think that its
no-misrepresentation clause may please those who are concerned with
attribution issues. In other words, I feel that it is more in line with
CC-by attribution provisions.
I hope this clarifies.
New GnuPG key, see the transition document!
..................................................... Francesco Poli .
GnuPG key fpr == CA01 1147 9CD2 EFDF FB82 3925 3E1C 27E1 1F69 BFFE
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