Am Donnerstag, 9. November 2006 13:13 schrieb bgbg bg:
> After searching the pymol site for two hours I'm still very confused
> about the license issue. I understand that using (and from recently -
> downloading) the binary PyMol package requires subscription. Now what
> about the source code? May I compile it and use it without any
> subscription? May I re-distribute the compiled program?

Yes, you can checkout the svn code and compile it on your own. AFAIK most of 
the code is GPL licenced (Warren, correct me if i am wrong). Familiarize 
yourseslf with the GPL if you're unsure about redistribution of your own 
code/binaries. There is some thirdparty stuff, which I am not sure about the 
license.

> May I make changes to the source code and distribute the derived
> product? If I may, under which conditions?

Yes you can redistribute code and binaries under the conditions of the GPL. 
Although you need to provide (your modified) code upon request, which means 
that "you have to give back your modified code" to the community, unless 
your're just using it by yourself (in contrast to BSD licences).
Although I am not a developer, i would encourage everybody who is using this 
program as a professional (university, research) to buy a subscription to 
support work on pymol in future. There's always work that not everybody likes 
to do, such as documentation and with more money, this task could be assigned 
to a payed developer.
Hope that did answer your questions.

Cheers
        Martin

-- 
Falls dir die Antwort zu ungenau erscheint, könnte es an der
Fragestellung liegen. (Daniel Fass in de.org.ccc)

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