I am collecting useful on-line Mandarin Course and Mandarin Classes resources as mamy as possible.
Then I will post them here for you, therefore you can save a lot of time to search data and enjoy learning Mandarin here.
1. U.S. Chinese Culture Center – FREE basic textbooks and audio/video files
2. Rocket Chinese – FREE 6-Day interactive audios + grammar/culture lessons
3. My Chinese Tutor – More than 30 FREE on-line speech correction lessons
4. The evolution of Chinese characters – FREE
5. How to write simplified and traditional Chinese characters – FREE
6. Stand-alone version Má Jiàng software -- FREE & Downloadable
To be updated in the near future...