This site by Jun Da contains a lot of very interesting resources for anyone who wants dig deeper into frequency lists. One set of data I haven't found anywhere else is a frequency list of syllables... Read more.

lingua.mtsu.edu

Hanping Chinese Dictionary Pro and Hanping Chinese Camera are the two highest rated Android apps on Google's Play Store. The dictionary (both free and paid editions available) gives you the ability... Read more.

play.google.com

Wenlin software makes learning Chinese easier and more interesting, for begining students, life-long speakers, and scholars alike. It combines a comprehensive Chinese dictionary, a Unicode text edi... Read more.

wenlin.com

This Chinese Text Analyser is a tool that helps you find content suited to your current vocabulary level, and makes it easy to identify and learn new words. You can use it to easily see which words... Read more.

chinesetextanalyser.com

Chinese dictionary for iOS with handwriting, OCR, flashcards, audio, document reader (including support for reading words on web pages and in PDF / EPUB documents), stroke order, and more than 20 a... Read more.

itunes.apple.com

A website on the etymology of Chinese characters, with a lot of images of their past forms from different periods. Read more.

chineseetymology.org

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

Chinese dictionary for Android with handwriting, OCR, flashcards, audio, document reader, stroke order, and more than 20 available dictionary databases. Read more.

play.google.com

Ninchanese is a complete way to learn Chinese. Its online course allows you to learn and practice how to read, write, speak and understand Chinese in an enjoyable manner. It combines game mechanics... Read more.

ninchanese.com

The ultimate solution for quickly looking up Chinese words on your smartphone or tablet, no matter what app (or system screens) you are using. Note: For Android 5.0 (Lollipop) and higher. Whe... Read more.

play.google.com

Chinese Hacks is run by Dave Flynn and might look similar to Hacking Chinese at first glance, but actually isn't. Most of the articles on Chinese Hacks are about software, apps or other tools for l... Read more.

chinesehacks.com

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

Mondly is a mobile app very similar to Duolingo (which does not support Chinese). Pro: * more or less straight course to take, no distractions * It has several languages besides Chinese. Th... Read more.

mondlylanguages.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 pinyin converter turns pinyin with numbers into pinyin with tone marks. Enter pinyin followed by numbers 1-4 represent the Chinese tones.  For neutral tone words, either type 5 or no number. Read more.

toshuo.com

Save time doing dictionary lookups! Simply point your camera at some Chinese text to get all the English definitions. And everything works offline. Within just a couple of seconds of launching t... Read more.

play.google.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

JinbuPal is a web app designed to help learners rapidly jumpstart their Chinese skills by focusing on maintaining continual noticeable progress. JinbuPal’s card-based system features individual cha... Read more.

jinbupal.com

This website provides a large-scale psycholinguistic norm of 3,314 Traditional Chinese characters along with their naming latencies collected from 140 Chinese speakers. Several variables are gi... Read more.

ball.ling.sinica.edu.tw

The Chinese Language Institute (CLI) offers free Mandarin learning resources in the form of articles on a variety of topics including Chinese characters, Chinese grammar and chengyu. They also offe... Read more.

studycli.org

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

Online Chinese flashcards that adapt to your learning, Chinese speaking practice using voice recognition, and a simple, fast Chinese-English dictionary. Read more.

fastchinese.org