OnlineLessons

http://www.practicalmandarin.com/eng/introduction.html

http://www.speakmandarin.com/courses/default.aspx?gclid=CPrR3PKbtKcCFZMKHAodTgLHBw

http://www.touchchinese.com/

http://www.verbalplanet.com/learn-chinese.asp

http://www.echineselearning.com/

http://www.effectivelanguagelearning.com/free-lessons/chinese-mandarin/lessons

http://mylo.dcsf.gov.uk/Basic/Chinese