Hunspell stemmer functionality filtered out of Lucene 5.2.1, because basic stemmer interface is private there.
Developed for use in the langlab project.
Hunspell home is here:
http://hunspell.sourceforge.net/
Various dictionary files are available from:
http://cgit.freedesktop.org/libreoffice/dictionaries/tree
Polish dictionary can be also obtained from
(the sjp-myspell-pl package contains PL_pl.zip with aff and dic files)
This library was deployed to Clojars
Distributed under the Apache License, Version 2.0