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

skritter.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

This course is designed to give a practical command of spoken Standard Chinese. Nine situational modules form the core of the course. Each core module consists of tapes, a student textbook, and a w... Read more.

fsi-language-courses.org

Douban is one of the most popular online Chinese communities and forums. You can read a wide variety of material - on almost any topic imaginable - from native speakers. It's a wonderful source... Read more.

douban.com

Foreigncy provides daily digital flashcards, with audio, that prepare a user to read a foreign policy or economics from a regional source. The site also provide users with an English language summa... Read more.

foreigncy.org

HiNative is a Q&A site where you can ask people all over the world about culture, language, anything. We support over 100 languages. Read more.

hinative.com

CantoDict: an Online Collaborative Chinese (Cantonese) Dictionary. Read more.

cantonese.sheik.co.uk

A Chinese discussion forum / social news site with discussions about almost everything. Good for reading about your particular interests or perhaps even participating in the discussions yourself. Read more.

bbs.hupu.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