L2 Corpus Projects

I have created search interfaces for several L2 corpus projects.
JC Corpus
A corpus of Japanese texts composed by Korean and Chinese learners. The online search engine is available at sakubun.jpn.org.
KC Corpus
A corpus of Korean texts composed by Japanese learners. The online search engine is available here.
KY Corpus
KY Corpus tagged with part-of-speech, semantic category, as well as speech error information. Available at http://jhlee.sakura.ne.jp/kyc/.

Other Corpus Tools

E-KWIC for Chamame
This is an MS Excel plugin for searching for an output of Chamame, a GUI tool for Japanese morphological analysis. Visit here for more information.

Chamame is available here.

Hangul to Yale Romanization Converter

Available here.