Recommended and introduced by Trevor [here](http://www.hackingchinese.com/extensive-listening-challenge-october-2014-wrapping-up/#comment-646686). Each book (one for each level of the new HSK ex... Read more.

amazon.com

Pinyinput is an input method editor (IME) for Windows that makes it easy to type Hanyu Pinyin with tone marks, like so: Hànyǔ Pīnyīn. Read more.

pinyinput.net

This is a neat little tool that converts pin1yin1 with numbers to pīnyīn with tone marks. Very simple, very useful. Read more.

lexilogos.com

Online Pinyin Input Method is a free online Chinese typing tool using Mandarin/Putonghua pinyin codes. We empower you to type Chinese online anytime, anywhere with any computer for free! Read more.

pinyinput.com

FREE multi-platform app and desktop software. I use it for looking up words, checking characters etymology, stroke order, collocations. The mobile app also has other functions. For me, this is ... Read more.

smarthanzi.net

HSK Course is an online platform for HSK preparation. It aims to help you not only successfully pass the exam, but gain confidence in using Chinese language. It mainly has 3 parts: Grammar Les... Read more.

hskcourse.com

Floomli is a free platform for exchange languages during video call, voice call or text conversation. By joining Floomli you become a part of a global language practicing network . The main goal of... Read more.

floomli.com

Idiomatic Forest helps learners activate their language skills by discussing and describing pictures, getting feedback from native speakers in return for helping others learn your language. Read more.

idiomaticforest.com