Vocabulary lists for most major textbooks. Downloading the lists requires free signup to Skritter. Read more.

skritter.com

This site contains a huge number of lessons, complete with texts, vocabulary, audio, exercises and much more. And it's all free. Note that if you want to get the intermediate and advanced material,... Read more.

collections.uiowa.edu

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

chineseetymology.org

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

As the name implies, Chinese Tools is mostly about tools for learners and teachers, but they also have 40 lessons for beginner students of Chinese. This is not reading practice in the sense of most... Read more.

chinese-tools.com

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

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