UIMA-Ext by CLLKazan
UIMA-Ext is a set of components (mainly) for Russian language processing on Apache UIMA platform.
Detailed instructions on how to use a PoS-tagger evaluation framework (described in [Gareev, R., Ivanov, V. A comparative evaluation of statistical Part-of-Speech taggers for Russian. 2014. To appear...]) are given here.