-Whatis.com, the leading IT encyclopedia and learning center
--http://whatis.techtarget.com/
-Webopedia: Online Computer Dictionary for Computer and Internet Terms and Definitions
--http://www.webopedia.com/
-NetLingo.com Dictionary of Internet Terms: Online Definitions & Text Messaging
--http://www.netlingo.com/
-TechWeb: TechEncyclopedia
--http://www.techweb.com/encyclopedia/