Overview of commercial and free thesauri

Slashdot it! Delicious Share on Facebook Tweet! Digg!


This article provides an overview of different thesauri, which are available either commercially or for free. Whether you are doing a quick search in your web browser or via the command line, there is a thesaurus for everybody out there.


  1. "Cluster-Based Web Searches" by Frank Hofmann, Linux Intern 01/2013, Data Becker Verlag, 2013
  2. Deutsche National Bibliothek – Subject Authority File: http://www.dnb.de/EN/Standardisierung/standardisierung_node.html
  3. Library of Congress Subject Headings: http://id.loc.gov/authorities/subjects.html
  4. Thesaurus Linguae Latinae: http://www.thesaurus.badw.de/english/
  5. Thesaurus Linguae Graecae: http://www.tlg.uci.edu
  6. UNESCO Thesaurus: http://databases.unesco.org/thesaurus/
  7. European Thesaurus on International Relations and Area Studies: http://www.fiv-iblk.de/information/information_thesaurus.htm
  8. Getty Thesaurus of Geographic Names: http://www.getty.edu/research/tools/vocabularies/tgn/index.html
  9. KThesaurus (Debian package): https://packages.debian.org/wheezy/kthesaurus
  10. OpenThesaurus for LibreOffice (Debian package): https://packages.debian.org/ca/source/wheezy/openthesaurus
  11. Lexikon.ch: http://www.lexikon.ch (in German)
  12. Woxikon: http://www.woxikon.com/
  13. Leo: http://www.leo.org/index_en.html
  14. Beolingus/Dict: http://dict.tu-chemnitz.de/
  15. French National Center for Textual and Lexical Resources: http://www.cnrtl.fr (in French)
  16. OpenThesaurus: http://www.openthesaurus.de (in German)
  17. WordNet: http://wordnet.princeton.edu/wordnet/
  18. Macmillan Dictionary: http://www.macmillandictionary.com/tools/aboutapi.html
  19. Merriam-Webster: http://www.merriam-webster.com/netdict.htm
  20. Cambridge Dictionaries Online: http://dictionary-api.cambridge.org/
  21. Pons: http://www.pons.com/specials/api
  22. Visual Thesaurus: http://www.visualthesaurus.com
  23. Wordnik: http://developer.wordnik.com
  24. WordNet (Ubuntu package): http://packages.ubuntu.com/trusty/wordnet
  25. WordNet-QueryData Perl module: http://search.cpan.org/~jrennie/WordNet-QueryData/
  26. Python Natural Language Toolkit (NLTK): http://www.nltk.org
  27. GoldenDict: http://goldendict.org
  28. WebKit-Framework: http://www.webkit.org
  29. Wiktionary: https://www.wiktionary.org/
  30. Wiktionary API: http://en.wiktionary.org/w/api.php

Buy this article as PDF

Express-Checkout as PDF

Pages: 5

Price $0.99
(incl. VAT)

Buy Ubuntu User

Get it on Google Play

US / Canada

Get it on Google Play

UK / Australia

Related content