This site by Jun Da contains a lot of very interesting resources for anyone who wants dig deeper into frequency lists. One set of data I haven't found anywhere else is a frequency list of syllables... Read more.

lingua.mtsu.edu

Wenlin software makes learning Chinese easier and more interesting, for begining students, life-long speakers, and scholars alike. It combines a comprehensive Chinese dictionary, a Unicode text edi... Read more.

wenlin.com

A website on the etymology of Chinese characters, with a lot of images of their past forms from different periods. Read more.

chineseetymology.org

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

Ninchanese is a complete way to learn Chinese. Its online course allows you to learn and practice how to read, write, speak and understand Chinese in an enjoyable manner. It combines game mechanics... Read more.

ninchanese.com

Word Reference offers several good forums for discussing languages and this is the Chinese section. It's perhaps not as active as Chinese Forums and I don't follow this forum regularly, so I don't... Read more.

forum.wordreference.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

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

Mondly is a mobile app very similar to Duolingo (which does not support Chinese). Pro: * more or less straight course to take, no distractions * It has several languages besides Chinese. Th... Read more.

mondlylanguages.com

Forumosa is a major online forum where you can discuss anything regarding Taiwan, including living there, learning Chinese, finding friends, jobs or language exchange partners and much more. There'... Read more.

forumosa.com

This website provides a large-scale psycholinguistic norm of 3,314 Traditional Chinese characters along with their naming latencies collected from 140 Chinese speakers. Several variables are gi... Read more.

ball.ling.sinica.edu.tw

The Chinese Language Institute (CLI) offers free Mandarin learning resources in the form of articles on a variety of topics including Chinese characters, Chinese grammar and chengyu. They also offe... Read more.

studycli.org

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