Japanese

Study Japanese Vocabulary:
http://www.jlptstudy.net/
http://www.digitaldialects.com/Japanese.htm

Japanese Dictionary: 
www.jisho.org

Listening Practice: 
www.japanesepod101.com

Reading Material: 
http://www3.nhk.or.jp/news/easy/ (beginner level) 
https://matcha-jp.com/easy/ (various levels)

Japan Travel Magazine: 
http://www.ajalt.org/kanmana/index_e.html (intermediate/advanced level)

Culture, Vocabulary, Lessons, Sentence Structures: 
http://www.japanese-online.com/