Arnt Karlsen wrote:
On Fri, 12 May 2006 08:35:51 +0900, alexander wrote in message
<[EMAIL PROTECTED]>:
Anders Gidenstam wrote:
There are some drivers for Linux, but nothing that really works.
TrackIR manufacturer wants to develop such drivers, but dislike making
it open source for some reason.
..explicitly so: "ARToolKit is distributed free for non-commercial use
under the GPL license. For commercial uses of ARToolKit or other
questions contact Mark Billinghurst - [EMAIL PROTECTED]"
..so, we cannot distribute it, as some people will wanna use FG
commercially. We can however use ideas from it and|or fork it
or whatever, in compliance with the GPL.
If they license it GPL, you are free to use it for whatever you want.
And of course, if you redistribute it (as the GPL allows you to), your
users are free to do whatever they want, as long as they comply with the
GPL, which explicitly allows commercial use and even selling of the
software.
They may say "free for non-commercial use", but if they chose the GPL as
license, that does not change much. Note: it's hard to say what they
even mean with "commercial use". In GPL language, the only non-free use
is to give binaries away and to refuse acces to the source code and
thereby limiting the freedom of the user.
The best way to solve this would most probably be to simply ask, if it
is ok to redistribute ARToolKit as part of a fully GPL'ed project.
Nine
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