Re: free software to estimate dS and dN in pairwise comparisons

     ok, I understand now. Anyway, here is a snippet from pamlDOC.pdf
from PAML 4.9c, reiterating PAML is distributed under GNU GPL license:

© Copyright 1993-2016 by Ziheng Yang
The software package is provided "as is" without warranty of any kind.
In no event shall the author or his employer be held responsible for
any damage resulting from the use of this software, including but not
limited to the frustration that you may experience in using the
package. The program package, including source codes, example data
sets, executables, and this documentation, is maintained by Ziheng
Yang and distributed under the GNU GPL v3.

    The author may have changed his mind, but as far as I can see it
is still GPLed.

On Tue, Jan 10, 2017 at 8:32 PM, Fields, Christopher J
<[email protected]> wrote:
> This is based on the text from the README.txt file with the distribution, which contradicts the license in the ‘src’ directory:
>
> ‘PAML is distributed free of charge for academic use only’
>
> There are others expressing licensing concerns as well, note this thread from the Debian folks: https://groups.google.com/d/msg/pamlsoftware/NFu_lNBoAEA/VonOWvh6CgAJ
>
> BioPerl will always be open and free; Carnë knows this though, he’s a bioperl contributor (and I would consider him a core developer).
>
> chris
>
> On 1/10/17, 2:38 PM, "Bioperl-l on behalf of Horacio Montenegro" <[email protected] on behalf of [email protected]> wrote:
>
>     What is free for academic use only? PAML is distributed under GNU GPL
>     v3 (see "introduction" at [1]), so not restricted to academic use. And
>     BioPerl is distributed under a dual-license GNU / Artistic License
>     (see "license" at [2]).
>
>     best, Horacio
>
>     [1] http://abacus.gene.ucl.ac.uk/software/paml.html
>     [2] http://search.cpan.org/~cjfields/BioPerl-Run-1.007001/
>
>     On Tue, Jan 10, 2017 at 6:19 PM, Carnë Draug <[email protected]> wrote:
>     > I am looking for a piece of free software to estimate synonymous and
>     > non-synonymous (dS and dN) distances between aligned sequences.
>     >
>     > I have found codeml on Bio::Tools::Run::Phylo::PAML::Codeml but that
>     > is not free software (it's for academic use only).  Can anyone suggest
>     > an alternative?
>     >
>     > Thank you
>     > Carnë
>     >
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