CommonLisp Interface to WordNet - Examples, documentation, downloads, links. www.ai.mit.edu/people/naha/ftp/WordNet/WordNet.html
JWNL (Java WordNet Library) - A Java API for accessing the WordNet relational dictionary. Free download, support and background information. sourceforge.net/projects/jwordnet
Web Interface to WordNet - Direct online access to version 1.6 of this database. Hosted by Oxford English Online. learn.oeol.com/learn/WordNet/index.cfm
WordNet - A Lexical Database for English - Nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept. www.cogsci.princeton.edu/~wn
WordNet CGI Interface - Interactive interface allowing simultaneous selection of multiple terms. Developed by the French E.N.S.T. group. www-inf.enst.fr/~milc/wordnet.us.html
WordNet Perl Module - Perl OO interface to George Miller's WordNet database. www.ai.mit.edu/~jrennie/WordNet
WordNet Python Module - Python interface (by Oliver Steele) to WordNet database created by George Miller. pywordnet.sourceforge.net