Legal usage and restrictions of fonts delivered with Qt



  • Hi there, I'm interested in the legal use of the "DejaVu Sans" font or other fonts that are delivered by Qt for embedded Linux.

    In the directory where Qt looks for fonts (/usr/local/Trolltech/QtEmbedded-4.8.6-x86-dbg/lib/fonts) I have several fonts that I like to use in a commercial product. Here are some examples:

    • DejaVu Sans (in Styles "Book", "Bold")
    • DejaVu Sans Mono (in Styles "Book", "Bold")

    The meta-data of the fonts contain the following legal information:
    Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved.
    Copyright (c) 2006 by Tavmjong Bah. All Rights Reserved.
    DejaVu changes are in public domain

    What does that mean exactly, does anyone has experience with the fonts delivered by Qt?


  • Lifetime Qt Champion

    Hi,

    The DejaVu font license can be found here



  • Thanks a lot, although it is so hard for me to understand everything for practical use^^

    I think I'm allowed to include it in my application but have to add the legal note about the copy right and Bitstream. I might have misunderstood that and I do not have to mention anything about the font if I simply use it as is?!


  • Lifetime Qt Champion

    Yes, their use is allowed. As for mentioning them in the "3rd party used" of your application, I'm not sure. One thing you can do is check with the GNOME foundation (see here)



  • Thanks a lot! The "Copyright FAQ" contain everything I wanted to know :-)


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