MeCab
MeCab: Yet Another Part-of-Speech and Morphological Analyzer (本家)
taku910/mecab: Yet another Japanese morphological analyzer – GitHub
NEologd (mecab-ipadic-neologd)
mecab-ipadic-neologd/README.ja.md
neologd/mecab-ipadic-neologd Wiki (ja)
Natto
class Natto::MeCab リファレンス (en)
buruzaemon/natto: A Tasty Ruby Binding with MeCab – GitHub
buruzaemon/natto Wiki – GitHub