Bloghub.com An online blog directory and community. Add a blog, search for blogs from around the world, find blog skins and templates, create a blog or join the Blogger forum.
BlogFlux.com A blogging portal for bloggers and blog readers. Find new blogs, subscribe to RSS feeds, or ping sites with blog updates. Over 22,000 blogs listed in the directory.
John Battelle's Searchblog One of the search engine industry's oldest and most well-respected bloggers. His blog is the industry standard for early news about product releases, interviews with important figures in search space and reviews of new technologies.
Geeklog Offers open source blog software of the same name that allows you to create your own virtual community area, complete with user admin, story posting, messaging, comments, polls, calendar, weblinks, etc! Runs on many different operating systems, and uses PHP4 and MySQL.
problogger.net A popular blogging site that provides tips on monetizing blogs as well as blogging news, tools, reviews, etc. The place to go to learn more about blogs.
WordPress.com An easy and powerful way to start blogging. Sign up for a fr'ee account and start as many blogs as you want. You can also download and install the software on your own site from WordPress.org .
Pingomatic.com A service that notifies different search engines when your blog has been updated. Useful and increasingly popular site.
9Rules.com A popular social bookmarking site that categorizes the best weblogs in the world on a variety of topics. Of interest to webmasters would be topics like design, Web++ and programming.
PodOmatic Allows you to create, distribute, promote, share and find audio and video podcasts. Claims to be the largest and most widely used service for creating and hosting podcasts.
Read/WriteWeb A popular weblog that provides Web Technology news, reviews and analysis. Ranked among the top 50 blogs in the world.
Talkr.com Provides a service that can convert any RSS or Atom feed for text-based news sources, like blogs or news sites, to a podcast. Allows visitors to listen to news vs reading it.
Bumpzee.com A poular social community and blog directory site where you can read blogs, leave comments, start new discussions and network with others.
Mashable.com The world's largest blog on social networking, covering news, photos, videos, etc. Very popular site.
Metafilter A weblog that anyone can contribute a link or a comment to. Extends the weblog/blog concept to beyond just one person. Very popular site.