

- IWCA
The International Writing Centers Association's (IWCA) Web site presents a well-organized compilation of online resources provided by writing centers (such as handouts and grammar hotlines), as well as an alphabetized list and links to hundreds of online writing centers.
- OWL
Purdue University's Online Writing Lab (OWL) offers exercises, handouts, and workshops on everything from how to use a semicolon to how to give a PowerPoint presentation. OWL's online tutors can answer your specific writing queries. The site also includes extensive annotated lists of links to other writing resources online.
- Paradigm Online Writing Assistant
Chuck Guilford's Paradigm site takes users through the writing process, from discovering ideas to documenting sources. It is a well-organized and easily navigable site with lots of helpful pointers and guidance.
- The Internet Public Library
This extensive site from the University of Michigan includes carefully organized and alphabetized links to academic research materials, along with newspapers, magazines, reference works, and guidance for researching online.
- The Spider's Apprentice
Spidap is "A Helpful Guide to Web Search Engines." The site includes an explanation of how search engines work, search strategies and tips, and an analysis and rating of the most popular search engines.
- Voice of the Shuttle: General Humanities Resources Page
The Voice of the Shuttle Web site hosts an extensive listing of general humanities resources, with links to style and grammar guides, dictionaries and thesauri, and Internet search tools.
- The Writer's Garden
This site provides an extensive, well-organized digital library of online sources for writers.
- Guide to Grammar and Style
"There ain't a rule in the language what can't be broke," declares Jack Lynch. But you should know what rules you're breaking—and why. You can find out here, thanks to this Web site's sensibly intelligent approach to grammar and style.
- Grammar Safari
The rationale behind this site is that "students of English who limit their study of grammar to what they find in grammar books are like naturalists who limit their study of nature to an encyclopedia." Instead, head into the "jungle" on a grammar safari to see English in action.
- Punctuation Made Simple
Instead of offering a list of rules, Gary Olson's well-written site aims to give you an understanding of the logic underlying punctuation. The helpful analogies and explanations make the rules seem more sensible and less arbitrary. The comma, colon, semicolon, apostrophe, and dash are covered.
- The Blue Book of Grammar and Punctuation
Once you understand the logic of punctuation (see "Punctuation Made Simple"), come here for the rules and practice. Jane Straus offers a clear explication of all things grammatical and online workbook exercises and answers.
- ESL Resources for Students
This page from the Purdue Online Writing Lab provides annotated links to Internet resources that can help ESL students improve vocabulary, reading, writing, grammar, conversation, and listening skills.
- Citation and Style Guide
This site from the Concordia University Libraries presents APA, MLA, and Chicago Manual Style Guides, as well as citation examples, including electronic sources. You will also find links to many other sites that offer assistance with documenting sources and avoiding plagiarism.
- AskOxford
This site provides expert answers to frequently asked questions about grammar, spelling, word origin, and usage. You'll also find some challenging word games and amusing quotations, historical databases, and more.
- OneLook Dictionary
OneLook is a compendium of more than 700 online dictionaries, both general and specialized. You can search the entire collection at once or select subject-specific resources.