The FASTForward Blog - Sponsored by search vendor FAST, about search and Enterprise 2.0
Free Search - Low volume blog by Lucene lead developer Doug Cutting.
Geeking with Greg - Greg Linden, founder of Findory, comments on personalization and customization in web search.
John Battelle's Searchblog - Commentary on search, media, and technology from the author of The Search (2005).
Live Search's WebLog - News and commentary from the team behind the search engine.
Lucene - Weblog about the open source search technology.
Multilingual Search - News about search engines, especially language-focused ones.
Phil Bradley's Weblog - An Internet consultant and former librarian writes on Internet searching, web design, and search engine developments.
ResearchBuzz - Blog about internet research, with a focus on specialized search engines and directories.
Search is the Internet OS! - Occasional posts analyzing aspects of search and related linguistic technology.
The Search Lounge - Librarian Chris Fillius reviews, interviews, and comments on the search industry and his employer Yahoo.
Surfers Surf - Weblog about search and other internet developments, from Writers Write, Inc.
Text Technologies - Weblog covering search, text mining, anti-spam and other linguistics-based technologies, and also search-related internet subjects.