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

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

This website contains a lot of short and easy-to-access articles about science and technology related articles (although they are usually very lightweight, you don't need to actually be a professio... Read more.

jandan.net

This is the official Chinese version of the popular news website TechCrunch, focusing on information technology and related companies, start-ups and much more. Read more.

techcrunch.cn

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

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

TutorMandarin is an online Chinese tutoring software and service. Students take 1-on-1 classes with professional Mandarin tutors on PC, Android, or iOS. Full courses from Beginner to Advanced, Spok... Read more.

tutormandarin.net

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

This site offers a wide range of short articles on science and technology related articles. They also offer MOOCs, but I haven't actually tried them yet. This is from their official about page: ... Read more.

guokr.com

Engadget is a multilingual technology blog network with daily coverage of gadgets and consumer electronics. This is the Chinese version, so anyone who is interested in tech will find lots of readin... Read more.

chinese.engadget.com

This site collects calligraphy references for HSK vocabulary. Most other resources for writing cursive script uses much less frequent characters and aren't suitable for second-language learners. If... Read more.

edsko.net

This site is provided by 科普中国, and as the name implies, it answers why questions about everything from aliens to economics. The articles are of varying length and while there aren’t literally 10,00... Read more.

10why.net

Follow this Twitter account to get a new animated Chinese Idiom (Chengyu) in your Twitter feed every day. Characters are Simplified Chinese, pronunciation is Pinyin (coloring is [Hanping's](http://... Read more.

twitter.com