It is true that GPL'd software and commercial software are not mutually
exclusive.
Tcl is not a problem at all - it has a BSD license.
"The authors hereby grant permission to use, copy, modify, distribute,
and license this software and its documentation for any purpose,
provided
that existing copyright notices are retained in all copies and that this
notice is included verbatim in any distributions."
I can't speak for Stallman and Co. but I am willing to guess that he
would prefer to keep it all GPL'd.
I just looked at the Glade license and it is GPL also, so I guess it has
the same issue. Note that I am not calling it a problem, but it is a
situation that all Vtcl users should be aware of: as the license stands
now, if you use Vtcl to develop a program, that program must use the
GPL.
Whether that limits the usefulness or acceptance of Vtcl is beyond me
and is an issue for the developers to decide.
Robert "agitator" Wuest
Georg Lehner wrote:
>
> Hello!
>
> On Thu, Apr 12, 2001 at 03:23:07PM -0500, Robert Wuest wrote:
> ...
> > Without such an exception, my understanding is that vtcl cannot be used
> > for commercial development.
>
> Only wanted to state, that the GPL does NOT prohibit commercial
> development of software, it only prohibits to make a software product
> closed source.
>
> Comercial open source software benefits economically via payed
> maintainance, installation, configuration and consulting services.
>
> Still I understand the point, that there are programmers which feel
> that they need to close their source (difficult with Tcl though), to
> get the necesarry advantage over competetors to make their living.
>
> So it would surely benefit the spread of VTcl to fix this part of the
> License. If you (we?) are more interested in spreading the open source
> paradigm, and you (we) are confident about the power of VTcl it could
> stay the way it is.
>
> Why not ask the FSF about their opinion?
>
> Best Regards
>
> Jorge-León
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