This website started as a hobby to explain photography (posts listed here), but over time expanded to provide (hopefully) useful information about Japan and the Japanese language. I also run edonoyu.com with a friend—a site that covers onsen in the Tokyo region.
Keio University Japanese Language Program
Joto Japanese School
New Japan Academy
Waen Education Institute
Ohara Japanese Language School
Tokyo Noah Language School
Asian Language Culture College
JSL Japan Academy
Cross Cultural Communication Center, Japanese Language School