Synonymous.com

Sino-Tibetan Etymological Dictionary and Thesaurus
Fonts, bibliography, etymology and thesaurus lookup for Chinese and other Sino-Tibetan languages.
stedt.berkeley.edu/

Wordsmyth Educational Dictionary-Thesaurus
Integrated english dictionary and thesaurus.
www.wordsmyth.net/

FinnHun Dictionary and Thesaurus
Finnish, Hungarian, English.
www.finnhun.com/

ANSI/NISO Z39.19 Monolingual Thesaurus Creation Standard
Download site for Z39.19 thesaurus creation standard, which is enumerative and monolingual in nature.
www.niso.org/

Zthes: a Z39.50 Profile for Thesaurus Navigation
Describes an abstract model for representing and searching thesauri, specifying how the model may be implemented. Uses of Z39.50 protocol and XML DTD for thesauri are described.
zthes.z3950.org/

Thesaurus Principles and Practice
Discusses the basics of thesaurus construction and management. From Willpower Information Management Consultants.
www.willpower.demon.co.uk/

Large-Scale Controlled Vocabulary Indexing for Named Entities
Paper discussing the implementation of a named entity thesaurus by Lexis-Nexis. [PDF Format]
acl.ldc.upenn.edu/

Jiten:The Perl DICT Server
Includes dictionary server protocol, elements database, and downloads.
www.miranda.org/

Dictionary of Words Not Found in the Dictionary
A collection of made-up words and definitions submitted by the readers.
dictionary.sordeo.com/

Travlang's English-Hungarian Dictionary

dictionaries.travlang.com/