Introduction to Korean Language
http://langintro.com/kintro/first.htm

http://langintro.com/kintro/toc.htm 

Basic Korean with sounds of alphabet
http://www.mct.go.kr/hangeul/ 

Korean Tutorial
http://korean.sogang.ac.kr/

 
CHINESE
Chinese- Beginning

http://www.bbc.co.uk/languages/chinese/real_chinese/

http://www.edict.com.hk/putonghua/

Chinese Language Learning & Teaching

http://lark.cc.ukans.edu/~eastasia/Clan.html

SPANISH
http://www.bbc.co.uk/languages/spanish/lj/

VIETNAMESE

http://www.wannalearn.com/Academic_Subjects/World_Languages/Vietnamese/