Pyphen is released under the GPL 2.0+/LGPL 2.1+/MPL 1.1 tri-license.
See COPYING.GPL, COPYING.LGPL and COPYING.MPL for more details.

Many dictionaries are included in pyphen, they come from the LibreOffice git
repository and are distributed under GPL, LGPL and/or MPL. See the
dictionaries and the libreoffice's repository for more details.

http://cgit.freedesktop.org/libreoffice/dictionaries/tree/