ChinesePod is one of the most comprehensive resources out there when it comes to listening. I started out with ChinesePod a long time ago and found it quite useful, especially from upper-intermedia... Read more.

chinesepod.com

This website contains a wealth of information about characters and romanisation. It's maintained by Mark Swofford. There are many articles about Pinyin as well as a number of useful tools, which I ... Read more.

pinyin.info

A bit like Phonemica. This website has recordings of different accents in Chinese language, including both by native speakers and non-native speakers. Read more.

hanyu123.weebly.com

This website and podcast offer theme-based, progressive online audio lessons. There are transcripts, worksheets, mobile apps, videos and more. Not all of this content is free, but the beginning of ... Read more.

melnyks.com

This is a basic but fairly comprehensive overview of the phonology of Standard Chinese (or Mandarin, as it might be better known as). This site covers consonants, vowels, syllables, tones, word str... Read more.

en.wikipedia.org

This is a very large list of traditional characters with multiple pronunciations in the form of an Excel file (the other two files are announcements about the list in Chinese). The first sheet just... Read more.

word.hlc.edu.tw

Another web-based resource with recorded audio for all syllables with all tones. You can also get the “spelling” of the syllable read to you, ie. Initial, final and then the whole syllable. Read more.

lost-theory.org

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 page lists variant pronunciations and their standard readings in Mandarin Chinese (Mainland Standard). It does not list characters that have different readings based on different meanings, so ... Read more.

baike.baidu.com