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

Wenlin software makes learning Chinese easier and more interesting, for begining students, life-long speakers, and scholars alike. It combines a comprehensive Chinese dictionary, a Unicode text edi... Read more.

wenlin.com

An online corpus of Chinese language. Size: 477 million characters (1.06 GB). Interface language: Chinese only. Read more.

goo.gl

A website on the etymology of Chinese characters, with a lot of images of their past forms from different periods. Read more.

chineseetymology.org

Good pronunciation matters, whether you like it or not. In general, students (and teachers) tend to stop caring about pronunciation much earlier than they should. You don't need to aim for native-l... Read more.

hackingchinese.com

This is the best overview of spaced repetition research I have seen online or offline. It's thorough, well-argued and probably covers more than you were looking for. It's not specifically about Chi... Read more.

gwern.net

You can input Charakters and this tool will output statistics about the words and characters, and can suggest high frequency words and characters that should be learned. It also analyses the HSK le... Read more.

hskhsk.pythonanywhere.com

A program to split any Chinese text into individual words, summarizing information about each unique word. The information is presented in the form of a tab-delimited matrix, so that the results ca... Read more.

zhtoolkit.com

This is a collection of several Chinese corpora that can be quite useful if you're looking for detailed information about collocations and the like. Simply entering a word will give you sentences, ... Read more.

corpus.leeds.ac.uk

Test your Mandarin Chinese vocabulary level in a few minutes. Get a an estimate of your HSK level, keep track of your progress to get to the next level! Read more.

hsklevel.com

An online tool for vocabulary learning where the user creates lists of learned words and words to learn, and is shown example sentences for learning and reviewing them. Registration required. Read more.

goo.gl

Duanmu San's "The Phonology of Standard Chinese" is by far the best introduction to Mandarin phonology that I'm aware of. It's mostly useful for people who like phonology or are already at an advan... Read more.

hackingchinese.com

Forming language learning habits is a key ingredient in any successful recipe for mastering Chinese. This makes sure that we learn regularly and that it becomes a natural part of our lives, rather ... Read more.

hackingchinese.com

This is a unique resource that shows how most common speech sounds are actually produced. Most other resources use animations and diagrams, but this is the frist I see which show actual MRI scans. ... Read more.

seeingspeech.ac.uk

This website provides a large-scale psycholinguistic norm of 3,314 Traditional Chinese characters along with their naming latencies collected from 140 Chinese speakers. Several variables are gi... Read more.

ball.ling.sinica.edu.tw

This is a presentation by Thomas S. Mullaney about Chinese typewriters through history. In the digital age, typing in Chinese is easier than it has ever been, but how did the Chinese typewrite evol... Read more.

youtu.be

Example questions and answers in English for the new question bank of the Chinese driving test for foreigners who want to study, practice and apply for a drivers license in China. Read more.

chinesedrivingtest.com