This website contains a wealth of information about characters and romanisation. It's maintained by Mark Swofford. There are many articles about Pinyin as well as a number of useful tools, which I ... Read more.

pinyin.info

This site collects calligraphy references for HSK vocabulary. Most other resources for writing cursive script uses much less frequent characters and aren't suitable for second-language learners. If... Read more.

edsko.net

Stroke order for Chinese characters is something most beginners struggle with to begin with, but it's also a problem that quickly fades away over time. This article collects all the resources you n... Read more.

hackingchinese.com

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

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

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