ChinesePod is one of the most comprehensive resources out there when it comes to listening. I started out with ChinesePod a long time ago and found it quite useful, especially from upper-intermedia... Read more.

chinesepod.com

Vocabulary lists for most major textbooks. Downloading the lists requires free signup to Skritter. Read more.

skritter.com

Learn Chinese Online with CLO - Go from absolute beginner to intermediate learner with our step by step, progressive audio lessons in Mandarin Chinese Read more.

ChineseLearnOnline.com

Glossika offers an audio method that consists of hundreds of bilingual sentences read by native speakers. They are selected to be natural-sounding and very common sentences and structured to build ... Read more.

glossika.com

A blog of beginner, intermediate, and advanced Chinese reading materials with full English translations. Read more.

chinesereadingpractice.com

This site contains a huge number of lessons, complete with texts, vocabulary, audio, exercises and much more. And it's all free. Note that if you want to get the intermediate and advanced material,... Read more.

collections.uiowa.edu

This site is best described as a Chinese version of Quora, so in other words a site where people ask and answer questions (and discuss other people's questions and answers). Read more.

zhihu.com

Through video, text and audio, this course helps you become a better language learner. It also explains many Chinese-specific learning strategies necessary to avoid wasting lots of time or missing ... Read more.

hackingchinese.com

This website offers a large number of previous HSK and YCT Chinese proficiency tests, sorted by year and level. This is excellent for test preparation and/or benchmarking. Read more.

chinesetest.cn

As the name implies, Chinese Tools is mostly about tools for learners and teachers, but they also have 40 lessons for beginner students of Chinese. This is not reading practice in the sense of most... Read more.

chinese-tools.com

This site collects almost a thousand textbooks used in Chinese schools, ranging from grade 1 up to senior high school. Subjects cover Chinese, mathematics, English, physics, chemistry, biology, his... Read more.

dzkbw.com

This is a comprehensive introduction to the world of digital Chinese, including the following: Script Basics Activate Keyboards for Typing Browser Recommendations Web Developm... Read more.

sites.psu.edu

Tianya Club is a very popular online Chinese forum (according to Wikipedia, it's the twelfth most visited website in China). The site is massive, including not only a forum, but also blogs, photo s... Read more.

bbs.tianya.cn

From the about page: Phonemica is a crowd-sourced project to record spoken stories in every one of the thousands of varieties of Chinese. We believe that each language and dialect is a priceless... Read more.

phonemica.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

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

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