[kde-community] Tupi: Open 2D Magic

Paul Gideon Dann pdgiddie at gmail.com
Mon Jun 24 15:00:48 UTC 2013

On Monday 24 Jun 2013 16:39:36 Boudewijn Rempt wrote:
> But in fact, if you didn't have a clear (written, email is ok) OK from all
> previous developers as well as Monica (if they are copyright holders of
> code currently in Tupi) to relicense to GPLv3, then you're already in deep
> problems with your codebase.
> Only if you have written all the code, every line, yourself, you can
> change the license to whatever you want, including dual or triple
> licensing.

Based on the description of the history of the project, it sounds like all the 
previous developers were employed to work on the project, in which case it 
seems likely that Monica's company owns the copyright to the entire codebase, 
in which case you'd need to talk to Monica (or whoever the current CEO is) 
about changing the licence.

However, if the last version of KTooN was GPL2, and you've written everything 
that has been added since yourself, there should be no problem officially 
changing Tupi to GPL2 to make it a KDE project, without needing any permission 
from Monica's company.


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