Information Please - from the print reference
database, offering millions of useful and interesting facts on a wide range of topics
online. Also includes a dictionary and encyclopedia.
Lexical FreeNet - this program allows
you to search for rhymes and relationships between words and concepts that might never
have occurred to you.
Middle English Dictionary - offers a
comprehensive analysis of lexicon and usage for the period 1100-1500, based on the
analysis of a collection of over three million citation slips.