mecab-ipadic-neologd:
See src/mecab-ipadic-neologd/COPYING

zip code data:
Public domain
http://www.post.japanpost.jp/zipcode/dl/readme.html

jawiki-latest-all-titles-in-ns0:
CC-BY-SA 3.0
https://ja.wikipedia.org/wiki/Wikipedia:著作権

Others:
Apache License Version 2.0, January 2004
http://www.apache.org/licenses/LICENSE-2.0.txt
