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

Just you try designing 13,000-plus intricate character shapes that all have to balance one another. Read more.

qz.com

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

Explode Chinese characters into their building blocks; visualize and remember how they are formed. Read more.

characterpop.com

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

Follow this Twitter account to get a new animated Chinese Idiom (Chengyu) in your Twitter feed every day. Characters are Simplified Chinese, pronunciation is Pinyin (coloring is [Hanping's](http://... Read more.

twitter.com

Have you ever wondered what a small 二 or weird symbols that look like 〻 or 々 mean in Chinese handwriting? These aren't characters you normally find in printed books, but they do exist in handwritin... Read more.

en.wikipedia.org

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