This site by Jun Da contains a lot of very interesting resources for anyone who wants dig deeper into frequency lists. One set of data I haven't found anywhere else is a frequency list of syllables... Read more.

lingua.mtsu.edu

The stories behind the names of all of China's provinces and autonomous regions. Read more.

online.thatsmags.com

This site collects almost a thousand textbooks used in Chinese schools, ranging from grade 1 up to senior high school. Subjects cover Chinese, mathematics, English, physics, chemistry, biology, his... Read more.

dzkbw.com

This is a comprehensive introduction to the world of digital Chinese, including the following: Script Basics Activate Keyboards for Typing Browser Recommendations Web Developm... Read more.

sites.psu.edu

This is a site where you can find theses and dissertations published in Taiwan. It's an excellent source if you want to find research about specific topics and improve your reading ability at the s... Read more.

ndltd.ncl.edu.tw

A blog written and managed by an advanced Chinese featuring reviews of books, TV dramas and games. Additionally, the blog also features recommendations for utilising media in Chinese language learn... Read more.

thecozystudy.com

ChineseMe is the most integrated Mandarin course, designed for motivated learners who have decided to become fluent. It is an interactive textbook that adapts itself to your interests. The course i... Read more.

chinese-me.com

From their website: Features: - a game-based and structured curriculum optimized for English-speaking beginners; - compartmentalized contents designed for studying in fragmented times; - an... Read more.

chinese-skill.com