Mandarin Chinese With Fiona Tian is a free video resource for learning Mandarin Chinese in a fun, enjoyable way. Chinese doesn't have to be hard. Kick back, relax, and enjoy. Read more.

mandarinmadeez.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

This is a course offered by Peking University and Coursera. It's free to use, but you need to register (you can preview it before you register, though). There are six units, each taking roughly one... Read more.

coursera.org

The stories behind the names of all of China's provinces and autonomous regions. Read more.

online.thatsmags.com

This article is an excellent start for anyone who wants to know more about the Mandarin spoken in Taiwan. In general, it's very similar to the Chinese spoken on the Mainland and most Taiwanese peop... Read more.

en.wikipedia.org

DigMandarin offer several interesting resources for free. The blog is a mix of directly useful resources, such as vocabulary for certain situations, and information/inspiration on learning Mandarin... Read more.

digmandarin.com

This site is a free resource for beginner learners of Mandarin who are looking to develop basic conversational ability for social, travel or work situations. It currently contains a small archive o... Read more.

mandarinhq.com

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

This is a story about looking Chinese but not knowing how to speak Chinese. It's an eye-opener for people who don't look Chinese and study Chinese, but it might also be painfully familiar for stude... Read more.

youtube.com

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

ChineseMe is the most integrated Mandarin course, designed for motivated learners who have decided to become fluent. It is an interactive textbook that adapts itself to your interests. The course i... Read more.

chinese-me.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