- JWNL (Java WordNet Library) - A Java API for accessing the WordNet relational dictionary. Free download, support and background information.
- WordNet - A Lexical Database for English - Nouns, verbs, adjectives and adverbs are organized into synonym sets, each representing one underlying lexical concept.
- WordNet Perl Module - Perl OO interface to George Miller's WordNet database.
- WordNet Python Module - Python interface (by Oliver Steele) to WordNet database created by George Miller.
