[Discussioni] NDA

[Alessandro Rubini]

La gpl-faq aggiunge due domande sull'NDA. Ora e` chiaro il discorso
del "legal hack" (piu` o meno, perche` erano in tanti a sviluppare,
non uno solo). Aspetto ancora pero` una risposta sul "se qualcuno
lo fa vale la GPL (e butto l'NDA) o vale l'NDA (e butto il sw che non
dovrei aver ricevuto)".

Scusate il "taglia e incolla dal diff" :)

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<dt><h4><A HREF="#TOCDoesTheGPLAllowNDA" NAME="DoesTheGPLAllowNDA">
  Does the GPL allow me to distribute a modified or beta version under a
  nondisclosure agreement?</a></h4>

<dd>
No.  The GPL says that anyone who receives a copy of your version from you
has the right to redistribute copies (modified or not) of that version.
It does not give you permission to distribute the work on any more
restrictive basis.
<p>

<dt><h4><A HREF="#TOCDevelopChangesUnderNDA" NAME="DevelopChangesUnderNDA">
  Does the GPL allow me to develop a modified version under a
  nondisclosure agreement?</a></h4>

<dd>
Yes.  For instance, you can accept a contract develop changes and
agree not to release <em>your changes</em> until the client says ok.
This is permitted because in this case no GPL-covered code is
being distributed under an NDA.
<p>
You can also release your changes to the client under the GPL, but
agree not to release them to anyone else until the client says ok.  In
this case, too, no GPL-covered code is being distributed under an NDA,
or under any additional restrictions.
<p>
The GPL would give the client the right to redistribute your version,
but in this scenario the client will choose not to exercise that right.