This site is best described as a Chinese version of Quora, so in other words a site where people ask and answer questions (and discuss other people's questions and answers). Read more.

zhihu.com

Pandaist is a graded reader app with several hundred articles, including both news articles as well as fictional stories. Every article includes sentence translations, grammar rules and a popup cha... Read more.

pandaist.com

A Chinese discussion forum / social news site with discussions about almost everything. Good for reading about your particular interests or perhaps even participating in the discussions yourself. Read more.

bbs.hupu.com

Basic HSK grammar from beginner to advanced level. The best part is that in each lesson end, there is a quiz to test if you have really mastered the grammar. Read more.

hskcourse.com

This is a Wikipedia article about classical Chinese written entirely in classical Chinese. That makes it difficult reading for most students, but I find the idea behind this article very neat and t... Read more.

zh-classical.wikipedia.org