Style

AmeriSpeak
Common American sayings and what they actually mean.
http://www.rootsweb.ancestry.com/~genepool/amerispeak.htm

AskOxford.com
For questions on English grammar, spelling, and usage. Search a dictionary of words, names or quotations.
http://www.askoxford.com/

Capitalizing
Provides a list of rules and examples. Includes sentences, quotations, proper nouns, names, titles, and scientific nomenclature.
http://englishplus.com/grammar/captcont.htm

Cliché Day Quiz
Test your knowledge of the origins of common cliches.
http://reference.aol.com/quizzes/cliche-day

Cliche Finder
A searchable database of overused expressions, with a fun feature creating a random list.
http://www.westegg.com/cliche/

Common Errors in English
An explanation of common English usage errors and how to avoid making them.
http://www.wsu.edu/~brians/errors/

Dictionary of English: Clichés, Pretentious Language, and Jargon
Presents a list of examples of three kinds of language to avoid, with an explanation of why they are not recommended.
http://www.tiscali.co.uk/reference/dictionaries/english/data/d0081759.html

The Elements of Style - William Strunk
Principal requirements of plain English style. Focuses on the rules of usage in literature, composition and grammar.
http://bartleby.com/141/

Garbl's Editorial Style Manual
Searchable advice on abbreviations, capitalization, grammar, numbers, punctuation, spelling and word usage.
http://home.comcast.net/~garbl/stylemanual/

Grammar Slammer
This help file indexes style and usage, capitalization, abbreviations, punctuation, letter writing, common mistakes and a grammar glossary.
http://englishplus.com/grammar/index.htm

Guide to Grammar and Writing
Features searchable index of grammatical rules, explanations, comments on style, and usage suggestions.
http://grammar.ccc.commnet.edu/grammar

New Words In English
Neologisms and new uses of words in English.
http://www.owlnet.rice.edu/~ling215/NewWords/

Plain English Campaign
Working internationally to try to get public information written in plain English, instead of using gobbledygook, jargon and legalese. Includes examples, with annual awards for the worst offenders.
http://www.plainenglish.co.uk/

Plain Language
A guide to help writers avoid confusing language and long-windedness. Can be viewed online or downloaded as a PDF.
http://www.plainlanguage.gov/

Right Words
A series of short articles about grammar and punctuation, with light hearted examples of common mistakes.
http://rightwords.co.nz/index.php?option=com_content&task=category&sectionid=4&id=13&Itemid=30

The Sports Cliche List
A searchable collection of cliches used by American teams, fans, coaches and commentators, with humorous comments and sound clips.
http://www.sportscliche.com

What is Plagiarism?
Answers common questions that students may have on the subject and confronts some of their excuses for not giving proper credit to their sources.
http://gervaseprograms.georgetown.edu/honor/system/53377.html

WordWizard
Learn about word meanings, slang, quotations, insults, and famous authors.
http://www.wordwizard.com/