Resources for Russian

Corpora

Free open source

• MultiUN "A Multilingual corpus from United Nation Documents", the Russian portion is 876 MB, the other languages in the multilingual corpus are: English/French/Spanish/Arabic/Chinese/German
• WMT corpora, including the Yandex 1M corpus, News Commentary, and News Crawl

Unknown license

• HANCO: The Helsinki annotated corpus of Russian texts (searchable, no visible download links)
• Russian Corpora (uni-tuebingen.de) (searchable, no visible download links)
• Russian Internet Corpus
• Russian National Corpus
• Russian Newspaper Corpus
• Various texts in Russian (lib.ru)

POS taggers

• AOT, morphological analyser
• Mocky, statistical taggers and lemmatiser
• Mystem, morphological analyser

Grammars

• KPML generation grammar

Various resources

• Russian Corpora (rykov-cl.narod.ru)
• Russian frequency lists
• Russian Phonetics on the Web
• Russicon Resources