Alexander Communications: This site offers a free monthly e-newsletter about clear business writing.
Alton Miller: Public relations writing. Examples of press release, media alert, pitch letter and message planner.
Bull's Eye Business Writing: Weekly business writing tips. Includes examples, questions to ask yourself before you begin writing, and other resources. Searchable archive of past topics.
Business Writing Tips: Free newslettter where you will learn and practice getting to the point.
PowerPointers: Links to articles on communicating effectively, building a presentation, planning a presentation, and communicating in your specialty.
Presentations.com: Tips and tools for creating and delivering presentations: text, techniques and technology.
Presenters University: Tips, articles, templates, software and courses to improve presentations.
PSA: Public Service Advertising: The PSA Research Center is an on-line information resource dedicated to public interest communications and cause marketing. Includes PSA News articles, monographs, evaluation tips, media placement techniques, and case studies.
The Art of Brochures: Article on writing and structuring a brochure. Links to other marketing articles from Guerilla Tactics weekly.
The Care and Feeding of the Press: How to write a press release, with special emphasis on what you shouldn't do. Compiled by Esther Schindler for NetPress.
WriteTheWeb: Archive of articles about blogs as business communication, PR, profit generators, and knowledge management.
WritingForResults.net: Guidelines and templates for writing briefing notes, briefing books, memos and letters. A free site.