Paper Structure - This page from Purdue OWL guides you to clearer writing via helpful questions on the focus, the audience and purpose, the organization, and the development of the paper.
Proofreading and Editing - LinkedIn Creative Library offers videos as well as courses on how to effectively proofread and edit your writing. CCS credentials required.
Zotero - Zotero is a free reference management software that helps you collect, organize, cite, and share research.
Writing for Design - This article outlines some basic steps to take for design writing, including striking the appropriate tone.
Brain Traffic Articles - These articles cover many of the facets of content writing by authors such as Scott Kubie.