Moby Dick, or, The Whale - In plain text, or as a zip file, from Project Gutenberg. - http://www.gutenberg.org/etext/2701
Moby-Dick, or, The Whale - Can be viewed all in one file (1.4M), or with each chapter in a separate file. - http://etext.lib.virginia.edu/toc/modeng/public/Mel2Mob.html
ClassicNotes: Moby Dick - Summary and analysis of the work with biography and background information. - http://www.gradesaver.com/ClassicNotes/Titles/moby/
Campusnut.com: Moby Dick - Brief chapter summaries and character profiles, with sections on the historical background and interpretation. - http://www.campusnut.com/book.cfm?article_id=430
Moby Dick: A Study Guide - Includes sections on allusion, quotations and the historical context, as well as vocabulary lists and study guide questions. - http://www.pthompson.addr.com/moby
American Literature - Moby Dick - Full electronic text separated by chapter. - http://www.americanliterature.com/MD/MDINDEX.HTML
Moby Dick - Searchable online version at Princeton. - http://www.princeton.edu/~batke/moby/