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Internet Message Format | 1999-10-11 | 6KB

From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractdev) DPMI for DOS
Date: 11 Oct 1999 19:14:28 -0600

Does anyone know a place where there is a nice short summary of
 different open source licenses? We are about to embark on a
major redo of Fractint, and this would be a good time to use a
better license.

If anyone has some recommendations we'll listen, if the
recommendation comes with a real short three-or-four point
summary of what that flavor of license accomplishes.

I guess what I need is a list of a few questions with yes or no
answers that indicates which license to use when I'm done
answering :-)

Tim


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From: Humberto Baptista <[e-mail]>
Subject: Licences (was:Re: (fractdev) DPMI for DOS)
Date: 11 Oct 1999 22:36:19 -0300



Tim Wegner wrote:
>
> Does anyone know a place where there is a nice short summary of
>  different open source licenses? We are about to embark on a
> major redo of Fractint, and this would be a good time to use a
> better license.
>
> If anyone has some recommendations we'll listen, if the
> recommendation comes with a real short three-or-four point
> summary of what that flavor of license accomplishes.

    There are three tht I know reasonably well:

    GPL, LGPL and BSD-style.

    The first, GPL (GNU Policy Licence), says that the program is free in
the sense that people are allowed to freely copy, modify and use, but it
mus always contain the copyrights and all direived work should have the
same license.

    The LGPL (Lesser GPL or as was previolsy known: Library GPL) is a less
restictive licence that the first one. Is is like GPL but is allows
other programas to be linked to the one under LGPL (or to use an API of
a LGPL program) without imposing any restricions on them or on their
licences. It is good for libraries, programs that support external
compiled modules etc.

    The BSD-style is less restrictive yet. It allows the same kinds of
freedom guaranteed by GPL BUT it does not require the modified versions
(derived work) to be free, that is you can make a commecial program and
conceal the sources if you only mantain the original Copyright.

    The licenses (especially *GPL) are rather long if there is interest I
can post the three above.

> I guess what I need is a list of a few questions with yes or no
> answers that indicates which license to use when I'm done
> answering :-)

    There is the issue of the original authors permitting a change of
licence. I dont know if this is really a problem, but should be thought
out anyway.


    Humberto R. Baptista

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From: Tonton Th <[e-mail]>
Subject: Re: (fractdev) DPMI for DOS
Date: 12 Oct 1999 08:06:12 +0200

Tim Wegner wrote:
>
> Does anyone know a place where there is a nice short summary of
>  different open source licenses?

    You can try http://www.opensource.org/ or ...
    ... ask Richard Stallman !

> We are about to embark on a
> major redo of Fractint, and this would be a good time to use a
> better license.
>

    Oh ? It's a dream or I have really read:
        "an independant 32bits fractal engine" ?

--
            ----------------------------------------------
       <  tonton Th  /  Thierry Boudet  /  Mr Oulala  >
        ----------------------------------------------

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From: "Tim Wegner" <[e-mail]>
Subject: Re: Licences (was:Re: (fractdev) DPMI for DOS)
Date: 12 Oct 1999 17:10:54 -0600


>     There is the issue of the original authors permitting a change of
> licence. I dont know if this is really a problem, but should be thought
> out anyway.

This is an issue but I don't think it is a practical problem, especially
if the new license is similar to the old one. We would make an
effort to contact contributors.

The real problem is that the existing legalese is just something we
wrote down and is not clear or airtight.

Tim


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From: "Tim Wegner" <[e-mail]>
Subject: Re: (fractdev) DPMI for DOS
Date: 12 Oct 1999 17:10:54 -0600

Thierry wrote:

>     You can try http://www.opensource.org/ or ...
>     ... ask Richard Stallman !

Yeah right, I'm sure I know what license he advocates :-)

>     Oh ? It's a dream or I have really read:
>         "an independant 32bits fractal engine" ?

It's still a dream until we do it!

Tim


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