Blogging Software
WordPress: http://wordpress.org
PMachine/Expression Engine: http://www.pmachine.com
Text Pattern: http://www.textpattern.com
Nucleus: http://www.nucleuscms.org/
Moveable Type: http://www.movabletype.org/
Radio Userland: http://www.userland.com
GreyMatter: http://noahgrey.com/greysoft/
Hosted Blogs
Blogger and Blogger Pro: www.blogger.com
Live Journal: www.livejournal.com
Blog Search Engines and Links
Technorati: www.technorati.com
Weblogs: www.weblogs.com
Google Toolbar: http://toolbar.google.com
Ideas and Resources
Blog Naming: http://www.blogname.com
Self Syndication: http://www.syndic8.com/
News Readers and Trends
MySmallBiz Desktop: http://www.MySmallBizDesktop.com
Active Refresh: http://www.activerefresh.com
News Gator: http://www.newsgator.com/
News Crawler: http://www.newzcrawler.com
