Each of the following links opens in new window.

Dictionaries:
Mandarin online dictionary
Chinese online dictionaries

Grammar:
Grammar lessons
Mandarin Essential Grammar - Yale

word a day
Mandarin Tools

News:
BBC Mandarin Chinese
sina.com

Characters:
Self study for simplified/traditional conversion

Pinyin:
Pinyin to cut and paste
Pinyin Chart
Pinyin Practice
Stroke Orders (traditional)

Pinyin/Character/ English Text for IC(Part I, Level I)
Pinyin/Character/ English Text for IC(Part I, Level II)

Exams:
HSK - Hànyǔ Shuǐpíng Kǎoshì (汉语 水平 考试) test information

Textbook support:
NPCR | NPCR videos

Vocabulary:
IC vocabulary trainer

IC Home from UH

UC Berkeley's IC website

Games for IC part1,level1

NJ Star

Microsoft Global IME Simplified

Learning Chinese Online

Video clips of survival Chinese

Reading Exercises from Rutgers University

BBC Real Chinese

Chinese multi media from University of Oxford

Humor Stories from USC

Progressive Reading from USC