Finally, Duolingo added a En->ZH course. As Duolingo is the most popular gamification learning app, the learning experience is relatively streamlined and tested. The monetarization aspect leads to ... Read more.

en.duolingo.com

This site (originally a book) explains the difference between commonly mixed up (traditional) characters, published by Taiwan's Ministry of Education. As it says in the introduction, the main purpo... Read more.

language.moe.gov.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

This is a digital version of the official authoritative stroke order standard used in China. It is sorted by stroke and is not searchable, so it's a bit hard to use. Thus, other resources will ofte... Read more.

yuke.blcu.edu.cn

This is a very in-depth article about how Pinyin is written, focusing mainly on the letters used, the typeface, arrangement on the page, and so on. It probably contains more about this topic than y... Read more.

thetype.com

This is a free e-book with a collection of articles about how to learn Chinese, to which I have contributed one chapter about listening ability. This is a good collection overall with contributions... Read more.

livethelanguage.cn