唐人街汉语 Learn Chinese in China Town
The Chairman's Bao-Chinese Immersion of Learning Mandarin 主席的宝-浸入式学习汉语
Learning Chinese through Traditional Chinese Holidays
新HSK网络练习/模考题库 New HSK Online/Mock Test
对外汉语学习网 Learning Mandarin Chinese
Learning Chinese Online for Free 沪江汉语
Skritter Learn-Your Path to Chinese & Japanese Mastery
Easy Chinese on CCTV 中央电视台轻松学汉语
Happy Chinese on CCTV 中央电视台快乐汉语
Mandarin Chinese-lessons on YouTube 网络视频汉语教学
Learning Chinese Everyday 天天学中文
Online Training for Language Proficiency Tests (HSK)
Online Training for Language Proficiency Tests (HSK)