Sourcebank Full-text search engine for source code. http://www.sourcebank.com/

GeekBot Searches over 11,000,000 open source related webpages. http://geekbot.org/

KDE GUISearch Allows searching the KDE project CVS repository using GUISearch, a new kind of tool for finding code by looking at the applications' GUI text messages (e.g., "Undo") and returning associated callbacks/slots (e.g., slotUndo()). http://guisearch.sourceforge.net

Search Tools Listing: Open Source Search Engines A listing of open source indexers, including links to related articles. http://www.searchtools.com/tools/tools-opensource.html

Nutch Effort to implement a prototype of an open source web-search engine. http://www.nutch.org

DataparkSearch Engine Tool Open source search engine tool released under GPL and designed to organize search within a website, group of websites, intranet or local system. http://www.dataparksearch.org/

Slashdot: Wikipedia Hits Million-Entry Mark Lovely forum discussion. http://slashdot.org/articles/04/09/21/0027241.shtml