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

A collection of articles providing in-depth discussions on current topics. Read more.

view.news.qq.com

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

. Read more.

hackingchinese.com

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

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

This subreddit is, as the name implies, about reading books in Chinese. A book is chosen each week by the members and is then read and discussed. Usually, there are links to various versions of the... Read more.

reddit.com