http://chinesepod.com
http://melnyks.com
http://chineselearnonline.com
At these three sites, you can learn Mandarin Chinese with free daily podcasts.

The following is recommended by a student with his comments:

ChinesePod.com
+ most professional allround, combining radio show skills, good teaching
skills, native speakers and variety of learning methods.
+ very elaborate community forums online
+ daily updates
+ 4 different levels
+ some podcasts with transcripts on screen
- little bit too much irrelevant chatting sometimes.

ActiveChinese.com
+ professionally done, transcripts, grammar, 24/7 tutor support and
other features
+ MP4 Video casts!
+ Lot of Culture bits as well
+ workbook (100+ pages) is free
- only a few demo vids are free - all the rest is paid (has a free trial
though)
- only 42 lessons total so far (less than some other)

ChineseLearnOnline.com
+ well done
+ different accents
+ dialogs on screen
+ good teaching method
- boring, monotone presenter and dialogs

Ezychinese.com
+ Video!
- no explanations in the Vidcasts, just conversations, rest is paid only
+ if you are willing to pay, probably pretty good

Mychinesepod.com
- basic, no-frills production
+ teaching methods seem OK
+ frequent updates
? relatively new
- bit boring

iMandarinpod.com
+ well produced, native speakers,
+ free transcripts on website
- bit boring
-/+ all explanations in chinese

Serge Melnyk (www.melnyks.com)
- a lot of it taught by a non-native speaker!!
+ elaborate website, grammar tags, some videos
+ frequent updates, interesting variety of subjects

Let's speak Chinese (no website, podcast newsfeed:
http://odeo.com/channel/112638/rss.xml)
+ frequent updates, native speakers
- rather basic production
- insufferable presenter !
- teaching methods not that great

ChineseLogic.com
- the free weekly podcasts are about Chinese culture, the language
training is paid service only
+ the weekly podcasts, by two Taiwanese/American sisters, are quite
interesing

Chinese podcast from WorldLanguages Podcasting.com
+ podcasts free, pay for transcripts
- no explanations, just conversation
- Learn chinese from conversations about Australian culture (?!)
? only 5 episodes so far

Two-minute Chinese lessons (http://twominchinese.podbean.com/)
? just started - first lesson in march 07
+/- two minutes may be too short.
- Not much explanation - just some words
- bit boring
+ Has Mandarin as well as Cantonese versions

Mandarin Chinese Conversations
+ well done

http://www.webcom.com/~bamboo/chinese/radio.html
This page collects, in one place, information on radio or other broadcasts in Mandarin, Cantonese, and other Chinese languages. The emphasis is on broadcasts that are globally available, either via shortwave radio, cable, or in recorded form over the Internet.

http://www.un.org/chinese/radio
UN Chinese Radio with transcripts. At this link http://www.un.org/chinese/radio/story.asp?NewsID=3634, you can hear an interview with Ho Laoshi about the UN Chinese Language Programme.

http://broadcast-live.com/chinese.html
At this site, you can watch Chinese television and listen to radio broadcasts in the Chinese language. A wide selection of streaming audio and video broadcasts is available from Canada, France, Germany, Singapore, Britain, China and the USA in both Mandarin and Cantonese. Transmissions are provided in RealAudio formats.

Pinyin Tutor
The Pinyin Tutor is an online tool to help Chinese learners improve phonological perception in Chinese and refine the Pinyin spelling skills. At our request, the developers have added all the words in New Practical Chinese Reader 1 and 2 to their database specifically for the students in our programme at the U.N.

Central Chinese Television (in Chinese)

http://hua.umf.maine.edu (Click Ting)

Watch CCTV Online