KyTea
KyTea is a general text analysis toolkit, with a focus on Japanese and other languages requiring word or morpheme segmentation.
Detailed usage information can be found at
http://www.phontron.com/kytea
To build KyTea, run
> ./configure
> make
If there is no configure file in the directory (for example, if you checked the source out from github), you can rebuild the configure file using
> autoreconf -i