European Cruises 
Describes the main cruise lines, routes and destinations for those cruising in Europe. Includes advice and links to further reading.
http://www.european-cruises.euUSA Today Cruise Log
Cruise news and community commentary, hosted by travel writer Gene Sloan. Includes a discussion forum and pulls relevant content and images from throughout the newspaper.
http://www.usatoday.com/travel/cruises/default.aspx
CruiseClues
Extensive collection of links to pictures, port schedules, reviews and other cruise-related resources.
http://www.cruiseclues.com
Cruise Savvy
First time cruise guide and community for sharing cruise pictures and reviews. Photos and articles can be browsed by ship and subject (e.g., cabins, bar menus).
http://www.cruisesavvy.com
CruiseJunkie
Database of accidents and illness, broken down by line. Also includes essays and a bibliography of work that critiques the cruise industry.
http://www.cruisejunkie.com
CruiseShipPictures.net
Exterior photos of ships, primarily European lines photographed in Germany. Allows public uploads.
http://www.cruiseshippictures.net/
