Many CSL (Chinese as a second language) learners asked me about where to learn Chinese online, and here I gathered what I consider the best free resources for learning Chinese. You could learn Chinese very effectively for free with only these resources.
1 eChinesebridge.com
eChinesebridge.com offers basic Chinese courses and useful language tools, you can learn Chinese pinyin, slang, calligraphy, and some other Chinese basic knowledge or skills, and the site also owns articles about traditional China, travel, study, news, business.
2 CCTV Learn Chinese
The site offers cool and free Mandarin video lessons on CCTV. Different courses are prepared from beginners to intermediate and advanced learners. Its “Survival Chinese” and “Happy Chinese” series videos are very good resources to learn Chinese.
http://cctv.cntv.cn/lm/learningchinese/01/index.shtml
3 Han ban
Hanban belong to Chinese education department. offers flash videos about Chinese pronunciation, Chinese writing, Chinese reading, Chinese grammar, Chinese songs. All these lessons are free.
4 Hanyu Baidu
Hanyu Baidu is a free Mandarin Chinese online dictionary.You can check any Chinese new words on this web, help you understand dialogues with useful phrases. Each sentence in this course is written in Chinese characters, pinyin and English. Audio is also available for each sentence.
5 CRI Chinese
The Learn Chinese channel on China Radio International (CRI) is a cool place to find some useful text and video resources. The lessons here are well made and Chinese learning videos, audios and characters and all available.