Oxford Dictionaries Answers on questions on English grammar, spelling, and usage. Also dictionary of words, names or quotations, writing help, and learn about English.
Guide to Grammar and Writing Provides detailed lessons on all aspects of grammar with quizzes at the end of each lesson. Includes essay and research paper instructions, power point downloads, and FAQ's.
Paradigm Online Writing Assistant Writing guides for informal essays, thesis and support essays, argumentative essays, and exploratory essays. Includes information and tips on organizing, revising, and editing personal writing styles.