This newly launched site offers basic information about pronunciation, mostly things that should be in all beginner courses and textbooks but seldom are. Currently, the content is fairly limited, b... Read more.

resources.allsetlearning.com

Another web-based resource with recorded audio for all syllables with all tones. You can also get the “spelling” of the syllable read to you, ie. Initial, final and then the whole syllable. Read more.

lost-theory.org

This is a language learning game that features among other languages Mandarin Chinese (at first only Japanese was supported). It aims to teach you about 400 words by having a virtual character walk... Read more.

playinfluent.com

This is an excellent (free) app for those who want to familiarise themselves with Pinyin. This beats anything written in a standard textbook and the ease of access of all the sounds is a must for b... Read more.

allsetlearning.com

Mnemosyne is a spaced repetition program available for most platforms. It doesn't offer specific Chinese support, but is general enough to work for almost everything and there are decks of flashcar... Read more.

mnemosyne-proj.org

This program adds tone marks on top of characters in Microsoft Word. This is quite useful if you want to produce texts that have tones but not Pinyin, enabling yourself or your students to focus on... Read more.

twighk.github.io

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

Duanmu San's "The Phonology of Standard Chinese" is by far the best introduction to Mandarin phonology that I'm aware of. It's mostly useful for people who like phonology or are already at an advan... Read more.

hackingchinese.com

This is a simple table where you can access sound files of syllables in Mandarin read with all four tones. Unlike [the other one I have also recommended](http://resources.hackingchinese.com/s/xqoai... Read more.

hkchinesemandarintutor.com

Serge Gorodish describes himself as "Mathematician, father, programmer, amateur linguist, cynic/idealist, and all-around nice guy" and has found a way to split pinyin syllables in components, which... Read more.

countryoftheblind.blogspot.de

This blog-post offers an introduction to the concept of coloured tones in Chinese learning software. Where do the colours come from? Why were they chosen? And what colours should you choose for you... Read more.

laowaichinese.net

Basic HSK grammar from beginner to advanced level. The best part is that in each lesson end, there is a quiz to test if you have really mastered the grammar. Read more.

hskcourse.com

Mastering Chinese characters, whether you find them enchantingly beautiful or overwhelmingly complex, is essential for literacy in Chinese. Outlier Linguistics will help you understand how the Chin... Read more.

outlier-linguistics.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 is a simple input tool where you can use your keyboard or mouse to compose text in IPA. If you only need a single word, copy/pasting is probably good enough, but this is handy if you want more... Read more.

ipa.typeit.org

This is a unique resource that shows how most common speech sounds are actually produced. Most other resources use animations and diagrams, but this is the frist I see which show actual MRI scans. ... Read more.

seeingspeech.ac.uk

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

Description provided by OptiLingo (I have not yet tried this service myself): "OptiLingo is a hands-free language learning app that prioritizes learning Chinese through speaking rather than typi... Read more.

optilingo.com

This list contains syllable frequency, listing each syllable, with Pinyin and Zhuyin, as well as a sample character. It’s not sorted in order of frequency, but the frequency data is there. Also, pl... Read more.

technology.chtsai.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

Another SRS App with word database with associated pictures ("Leitner" method) Read more.

l-lingo.com

This is a fairly extensive phrasebook with some added extras. It has over 12,000 words, phrases and complete sentences in more than 250 categories. This app is meant for beginners, but works well f... Read more.

word-in-the-hand.com

This page lists variant pronunciations and their standard readings in Mandarin Chinese (Mainland Standard). It does not list characters that have different readings based on different meanings, so ... Read more.

baike.baidu.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

This video is produced by Hutong School and explains the very basics of Chinese tones, suitable for the complete beginner or those that are thinking about learning Chinese and want to know a little... Read more.

youtube.com