FindArticles.com: A searchable online archive of magazine and journal content.
FindSounds: Search for sample sounds and sound effects at this file search engine. Offers directory, keyword and sonic similarity search functions.
Krugle: Enables programmers to find source code and technical information.
Netcraft Web Site Finder: Searches domain registrations that contain certain words, strings, or characters. Reports a site's operating system, web server, and netblock owner.
SearchIRC: Search Internet Relay Chat rooms and networks like you would search the Web.
Who Built It: Reverse search - enter a URL to find out what designer, developer or interactive agency created a website.