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 post on FluentU discusses briefly what to look for in a podcast and then follows up with six recommended podcasts. Some of them were actually new to me and I don't know if the recommended leve... Read more.

fluentu.com

Exploring and reviewing all the Chinese podcasts available; learn Chinese podcasts, Chinese language podcasts, English podcasts about China. The aim of this site is to explore the Chinese podcasts ... Read more.

chinesepodcasts.com

iTalki isn't specifically designed for learning Chinese, but it's still one of the most convenient and probably also one of the cheapest way to find people to practice Chinese with. Sure, you can f... Read more.

italki.com

Duanmu San's "The Phonology of Standard Chinese" is by far the best introduction to Mandarin phonology that I'm aware of. It's mostly useful for people who like phonology or are already at an advan... Read more.

hackingchinese.com

Online Chinese flashcards that adapt to your learning, Chinese speaking practice using voice recognition, and a simple, fast Chinese-English dictionary. Read more.

fastchinese.org