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List:       kde-promo
Subject:    [kde-promo] KDE Myths Facts Check
From:       Mihnea Capraru <mihnea_capraru () yahoo ! de>
Date:       2005-11-25 13:06:00
Message-ID: 20051125130600.41839.qmail () web26305 ! mail ! ukl ! yahoo ! com
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I'm starting this thread to check out whether the
facts listed on KDE Myths are still up to date.

http://kdemyths.urbanlizard.com/myth/10 says:

"Title	Licensing of the Qt library	

Myth	Qt is not Free software, or is only compatible
with some Free software licenses.	

Facts	

Qt is indeed Free software and is compatible with all
of the major Free software licenses. Qt is licensed
under the GNU GPL as well as the QPLv2. 

Qt is licensed under multiple licenses, just as
Mozilla and Open Office are. All versions of Qt
include a closed source development license option
available from Trolltech. 

Early versions of Qt carried a special license that
allowed non-commercial development without requiring a
licensing fee. This license did not meet the
criterion, however, to be called an Open Source or
Free software license. 

Later releases were licensed under version 2 of the
QPL which does qualify as an Open Source software
license. This license is not compatible with some Free
software licenses, such as the GPL. It is, however,
compatible with other Free software licenses such as
the BSD license. 

With the release of Qt2, the GPL was added as a
licensing option. 
Software can now link against and use Qt as Free
software using a broad range of licenses including the
GPL, LGPL, X11, MIT and BSD licenses."

Questions:

- is the QPL still active, or has it been
discontinued? Should we leave it out of this fact?

- is Mozilla still licensed under a proprietary
licence too? Maybe say 'MySQL and OpenOffice' instead
of 'Mozilla and OpenOffice' (OpenOffice can stay,
since it's the basis of StarOffice, which is still
proprietary)
 
A side question: the reader can be either

- an end user, wanting to know how this affects him
- a coder, wanting to know the same
  * coder who wants to write Free Software
  * coder who wants to write something proprietary

I'll try to write a clear paragraph for each of them
(and maybe leave 'Need to buy Qt licence to run KDE'
out, since this concerns the end user and might be
answered here)

Mihnea



	

	
		
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