Acronym Finder – Searchable database of 80,000+ acronyms and meanings. Covers: common acronyms, computers, technology, government, telecommunications, and military acronyms.
AskOxford.com – For questions on English grammar, spelling, and usage. Search a dictionary of words, names or quotations.
A.Word.ADay – The music and magic of words. This is the website for the mailing list A.Word.A.Day (AWAD), which sends a vocabulary word and its definition to the subscribers every day.
Bartleby.com: Strunk’s Element of Style (1918) – For use in English courses in which the practice of composition is combined with the study of literature. It aims to give in brief space the principal requirements of plain English style.
Crazy Colour Writing Skills Handbook – Includes useful tips to help your spelling including homophones, words often misspelled, a dictionary search, an introduction to fingerspelling. Grammar, spelling and writing style guide.
Deadwood Phrases – Prune the deadwood phrases from your writing. Site lists the worst from A to Z.
Garbl’s Editorial Style Manual – Provides advice on abbreviations, capitalization, grammar, numbers, plurals, possessives, punctuation, spelling and word usage.
Glossarist.com – A searchable directory of thousands of glossaries and topical dictionaries containing terms and definitions on hundreds of subjects.
Good Grammar, Good Style – Articles and answers to frequently asked questions about grammar, mechanics, and style. Links and bibliography.
Grammar Slammer – This help file indexes style and usage, capitalization, abbreviations, punctuation, letter writing, common mistakes and a grammar glossary.
Guide to Grammar and Style – The information ranges from copy editing to elements of style to discussions. Practical information about the writing craft.
Guide to Grammar and Writing – Digital handouts on grammar and English usage. From subject-verb agreement and use of articles to exercises in parallel structures and argumentative essays. You can submit questions about grammar and writing.
Guides for Better Science Writing – Bibliography of style manuals for scientific research, writing, and presentation. Guides for biology, medicine, chemistry, engineering, geology, and mathematics.
NoodleBib – The MLA Bibliography Composer – A free tool to create, edit, and save your MLA-style bibliography online, then publish it to a Web page, email it, or save it as RTF and open it in Microsoft Word.
A Research Guide for Students – How to write research papers, and do presentations. Virtual library of links arranged by Dewey Decimal Classification.
Rhetorical Figures – From alliteration to zeugma, and everything in between, all the figures of speech are here.
11 Rules of Writing – Concise guide to some of the most frequently violated rules of writing, punctuation, and grammar.
SecretariesUSA.com – Reference for the home and corporate office, including capitalization, punctuation, spelling, grammar, sentence structure, forms of address, abbreviations, letter styles, and business forms.
SoYouWanna Avoid Common Writing Errors – We compiled a list of the most common writing errors people tend to make. This is not a primer on grammar or essay-writing. This is a checklist of things which you might well do and which you must stop doing.
Suite 101: Communications Skills – Archive of articles covering writing and speaking skills, with emphasis on clear communication, basic design, communicating with international and multicultural audiences.
WordWizard – Portal for word lovers. Learn about word meanings, slang, quotations, insults, and famous authors. Wordwizard offers a round trip across the English language.
World Wide Words – Explores the history, evolution byways, quirks, and curiosities of the English language. New and recent words and phrases are often featured, as are books on aspects of English. A weekly newsletter is sent by e-mail and RSS.
Writer’s Dreamtools – A series of useful tools to enhance writers’ and students’ creativity, spark ideas and fight writer’s block.