Stack Exchange is a site where people can ask questions to the community and get answers back. These answers are then rated by other people in the community and the most helpful answer can be chose... Read more.

chinese.stackexchange.com

Mandarin Chinese With Fiona Tian is a free video resource for learning Mandarin Chinese in a fun, enjoyable way. Chinese doesn't have to be hard. Kick back, relax, and enjoy. Read more.

mandarinmadeez.com

The World of Chinese is a magazine and website that offers a wealth of information about Chinese language and culture. They also have an active Twitter feed you should check out. This is their offi... Read more.

theworldofchinese.com

Finally, Duolingo added a En->ZH course. As Duolingo is the most popular gamification learning app, the learning experience is relatively streamlined and tested. The monetarization aspect leads to ... Read more.

en.duolingo.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

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 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

This site offers language exchange partners (and also seems to plan to provide tutors and language teaching services as well). The language partner part of the site is free, though, so if you're lo... Read more.

liveitchina.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

This website contains a large number of resources for learning and teaching Chinese, including introductions to the spoken and written language, characters, grammar and pronunciation. They also pro... Read more.

ctcfl.ox.ac.uk

看剧学汉语 is a community on Discord, gathering more than a thousand members, both native speakers and learners. While 看剧 (as in "watch TV series) is part of the name, the server also covers lots of oth... Read more.

discord.gg

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

Foreigncy has nearly 300 free Mandarin language training sets that help improve your media vocabulary, reading comprehension, and listening skills while raising your awareness of regional events. T... Read more.

foreigncy.us

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