Thank you for your feedback. As you will have noticed, I am not an expert on licenses and have picked CC BY-SA 4.0 because I believe Maxmind’s database was licensed under this before.
We can of course change the license and I am happy to take your suggestions. What I would like the license to be is the following: * it should be free for anyone to use but not possible to sell the database * it would be nice to encourage users to give back to the project and help them to help us to improve the data wherever possible I cannot come up with anything else this license should or could cover. Best, -Michael > On 15 Jun 2020, at 21:14, Francesco Poli <invernom...@paranoici.org> wrote: > > On Mon, 15 Jun 2020 21:24:45 +0200 Roberto wrote: > >>> On Mon, Jun 15, 2020 at 08:04:47PM +0200, Francesco Poli wrote: >>> The reason is that the one-way compatibility mechanism of CC-by-sa v4.0 >>> is not exceptionally clear, and, without that compatibility, the >>> CC-by-sa v4.0 license itself has a number of controversial clauses >>> (non-free, in my own personal opinion). >> >> CC-BY 4.0 (without SA) may be better than CC-BY-SA in that case, >> according to the FSF it's compatible and accepted as a free license (for >> content which is not a program). > > Actually, although the FSF [claims] that CC-by v4.0 is compatible with > the GNU GPL, it does not explain how the restrictions found in CC-by > v4.0 can be reconciled with the GNU GPL. > > [claims]: <https://www.gnu.org/licenses/license-list.html#ccby> > > I asked the FSF to publish a reasoned analysis on this. > I did so back in 2015, but nothing has been disclosed yet (as far as I > know). :-( > > I am personally *not* convinced that CC-by v4.0 is GPL-compatible. > Please note that the CC-by v4.0 has no explicit compatibility clause > (contrary to CC-by-sa v4.0, which has a one-way compatibility > mechanism)... > > > -- > http://www.inventati.org/frx/ > There's not a second to spare! To the laboratory! > ..................................................... Francesco Poli . > GnuPG key fpr == CA01 1147 9CD2 EFDF FB82 3925 3E1C 27E1 1F69 BFFE