Re: Commercial License of Luxor

Just some clarification on how licenses work (for Gerald: this is just
an outline what I learned during apache licensing discussions, I am not
trying to say in any way that your are not complying, just a disclaimer
;)

Java libraries with BSD / Apache style licenses you can do whatever you
want with that, the only thing you need to do is give proper credit to
the project (even if you make a spinoff of eg apache ant and change all
the code, you still need to give credit to the ant project). The
copyright of the original code (at least in case of apache) stays with
apache (when contributing code to apache, your copyright will be handed
over to apache). Apache projects will never depend on libraries that are
more restrictive that the apache license (although we make mistakes
somethimes).

If you use a java GPL library in your software (eg do an import of a
java class), you will need to make your complete software package GPL.
There are some nice strategies around this, by using reverse
dependencies and just releasing the reverse dependency as GPL (what I
mean by this is that the GPL code depends on your package, instead of
your package on the GPL). But that means that you have to do a proper
API design :). So GPL works like a sort of virus (not judgement here
btw, it's just a matter of choice)

Hope this clears things up a bit :)

Mvgr,
Martin

On Mon, 2003-04-14 at 15:20, Michael Finney wrote:
> If I bought a commercial License of Luxor, I am still bound by the 
> things which Luxor depends on.  1) Correct?
> 
> 2) Are all of the pieces which Luxor depends on (pg 
> http://luxor-xul.sourceforge.net/credits.html) available for commercial 
> use without having to pay anything?  I noticed a lot of it looked like 
> Apache which seems ok for commercial use.  However, I could not readily 
> see the licenses for all of the parts.   For example 
> http://saxpath.org/   (ok.  that drowning in license research feeling 
> is coming back....)
> 
> http://saxpath.org/ on pg http://luxor-xul.sourceforge.net/credits.html 
> does not work.  (April 14, morning, 2003; USA)
> 
> If I missed this answer on the FAQ, I am sorry.  However, I am pretty 
> sure I did not miss it.
> 
> Thanks,
> Michael Finney
> Sun Certified Programmer for the Java 2 Platform
> Sun Certified Developer for the Java 2 Platform
> Sun Certified Web Component Developer for J2EE Platform
> Co-founder of PPJDG - http://groups.yahoo.com/group/ppjdg
> 
> 
> 
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