license - olikraus/m2tklib GitHub Wiki
License information for M2tklib releases (http://code.google.com/p/m2tklib/)
M2tklib
Core files for M2tklib are licensed under the terms of the GNU GENERAL PUBLIC LICENSE Version 3. See also gpl-3.0.txt
Petit Fat File System
The M2tklib release contains the "Petit Fat File System", which is distributed under the Petit FatFs License
: http://elm-chan.org/fsw/ff/pf/appnote.html.
U8glib
Some releases of M2tklib include U8glib. License information for U8glib is here: http://code.google.com/p/u8glib/source/browse/license.txt
The license information for font files, distributed along with U8glib, are given here: http://code.google.com/p/u8glib/wiki/fontgroup