Editing
The Technical Editors' Eyrie: Resources for Technical Editors
Jean Hollis Weber has produced a website for technical editors to "share knowledge, experiences and resources [and] demonstrate to writers, managers and others the wide range of knowledge and skills technical editors have to offer." Non-editors are welcomed as well.
Bartleby.com
Dictionaries, encyclopedias, thesauri, quotation sources, and works on English usage, such as Fowler's King's English (1908), Strunk's The Elements of Style (1918), may be found and freely used on this searchable site.
Oxford Reference Online
is a collection of dictionaries and other reference works available from the A-Z List of E-resources on the library website. If you are not on campus, you will need to submit your name and ACC ID to use this resource.
Webgrammar
In addition to grammar tips, includes links to dictionaries and glossaries, style guides, tables and charts, more.
World Wide Words
"Michael Quinion writes about international English from a British viewpoint." The searchable site is updated every Saturday.