Danga Software Hosting
LiveJournal.com - one of the largest blogging community. Offers multiple account types.
GreatestJournal.com - offers free voice posts, 1GB of photo hosting, and space for up to 2,000 user icons.
InsaneJournal.com - offers free and paid accounts
JorunalFen.net - directed towards various fan communities and television shows, only for users 18 and older.