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

Outlier Linguistics Dictionary of Chinese characters is an excellent tool to help you understand and thereby learn Chinese characters more effectively. It gives you instant access to the latest res... Read more.

outlier-linguistics.com

Langademy is a language learning social network that connects students with natives from all over the world. Students can practice Chinese, English, French or any other language at Langademy by mak... Read more.

langademy.com

This is a very large list of traditional characters with multiple pronunciations in the form of an Excel file (the other two files are announcements about the list in Chinese). The first sheet just... Read more.

word.hlc.edu.tw

HiNative is a Q&A site where you can ask people all over the world about culture, language, anything. We support over 100 languages. Read more.

hinative.com

Serge Gorodish describes himself as "Mathematician, father, programmer, amateur linguist, cynic/idealist, and all-around nice guy" and has found a way to split pinyin syllables in components, which... Read more.

countryoftheblind.blogspot.de

This blog-post offers an introduction to the concept of coloured tones in Chinese learning software. Where do the colours come from? Why were they chosen? And what colours should you choose for you... Read more.

laowaichinese.net

Mastering Chinese characters, whether you find them enchantingly beautiful or overwhelmingly complex, is essential for literacy in Chinese. Outlier Linguistics will help you understand how the Chin... Read more.

outlier-linguistics.com

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 list contains syllable frequency, listing each syllable, with Pinyin and Zhuyin, as well as a sample character. It’s not sorted in order of frequency, but the frequency data is there. Also, pl... Read more.

technology.chtsai.org

This page lists variant pronunciations and their standard readings in Mandarin Chinese (Mainland Standard). It does not list characters that have different readings based on different meanings, so ... Read more.

baike.baidu.com

A London-based school that takes their Mandarin courses to the next level - integrating technology (bespoke Phone Flashcards) and HSK test planning into their courses from Beginner, Intermediate to... Read more.

practicalmandarin.co.uk

From their website (if you have personal experience of their courses, please leave a comment): New Concept Mandarin specializes in teaching Mandarin Chinese (Putonghua) as a second language. Act... Read more.

newconceptmandarin.com

Hanbridge Mandarin provides campus-based courses, online classes, and intensive cultural immersion programs. I don't know anyone who has attended any of their classes personally, but they cover the... Read more.

hanbridgemandarin.com