Free blogs managed by the developers of the WordPress software. Includes custom design templates, integrated statistics, automatic spam protection and other features... 

http://wordpress.com/

Service for hosting and publishing weblogs and photo albums... 

https://www.typepad.com/

Provides users with the ability to publish a weblog via mobile phone, add music lists and manage friends... 

http://home.spaces.live.com/

Offering free Wordpress blogs. Full FTP and MySQL access. No ads required on hosted pages... 

http://weblogs.us/

Focus on writing your weblog entries and publishing your files and pictures instead of worrying about how to design and update your website... 

http://www.squarespace.com/

Paid service with categories, tags, lists, and photo albums. Free trials are available... 

http://www.blogspirit.com/

Blog host service with free and paid plans available. Features include one-click publishing and photo albums... 

http://www.blog.com/

Create a free public or private blogs and online journals; upload pictures, share thoughts, and customize pages... 

http://peopleconnection.aol.com/blogs

Free hosting for weblogs and news sites. Supports both ftp and web-based editing. Features include templates, multiple editors, and a "yourname.pitas.com" sub-domain... 

http://www.pitas.com/

Free host does not place ads on pages and offers friends-only or private posting options... 

http://www.shoutpost.com/