Blawg Republic - Search engine and directory for law blogs. Provides full text search, RSS feeds, and top links in the blawg community.
Blogdigger - RSS search engine, providing full-text search, as well as metadata search on RSS information. It has link search funtionality, as well as searching by date, topic, title and other fields.
BlogPulse - An automated trend discovery system for blogs. It analyzes and reports on daily activity in the blogosphere.
Plazoo - RSS search engine for news and blogs. Allows users to create personal RSS feeds on merged feeds, search results, and personal interest profiles.
Popdex - Search allows for finding words in news, referenced links, weblog URLs or descriptions and also allows for finding all blogs pointing to a particular link.
Postami - Search blogs by keyword throughout the world.
Read A Blog - View new additions, most popular, top searches and recently viewed.
Technorati - Real-time search for user-generated media (including weblogs) by tag or keyword. Also provides popularity indexes.
WSJ.com - New Search Engines Help Users Find Blogs - "The race is on to become the Google of blogs." A number of small companies are working to track weblogs and their posts in nearly real time. (September 7, 2005)
