A parser for el.wiktionary.org monthly dumps that creates a word conjugator and POS tagger for greek words.
To use:
wget https://dumps.wikimedia.org/elwiktionary/latest/elwiktionary-latest-pages-articles-multistream.xml.bz2
greekdict.py elwiktionary-latest-pages-articles-multistream.xml.bz2
from greekdict import WikiWordGraph
word_graph = WikiWordGraph('word_graph.json')
nominative = word_graph[u'νερών']
pos = word_graph.get_pos(u'νερών')