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Constructed Languages:

for Communication:
for Fiction:
 Klingon (Star Trek)
 Divine Language (5th Element)
 Atlantean (Atlantis)
 Nadsat (A Clockwork Orange)
 Quenya (Hobbit, Lord of the Rings)
The Constructed languages flag is not official, but is from, a project to produce a free encyclopedia of construced languages and constructed cultures. I sure wish there were a constructed country in which to fly it. There is almost no content here, but in due time...
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Robert Isenberg has written a very thorough, academic article on Artificial Languages. The research was made possible by Helge Fauskanger, who's site on Tolkein's languages is probably the best there is.

The Constructed Human Languages page.

Planspråk, a constructed languages page in Swedish.

The Yamada Language Center's Constructed or Fictional Languages section.

USU has done a great project on the origin of writing and included a section on Invented Alphabets.

Constructed Language Guides

Learn about Constructed Human Languages. A strange world that very few people ever hear of! I define constructed languages as any language that was created intentionally, as opposed to natural languages. This site only deals with human languages, i.e. languages made for humans to speak or read, in reality, fiction, or tests.

I am just learning about constructed languages. Probably the most thorough site on constructed languages is They have a top ten constructed languages. You really should be reading that site, and not mine.

There doesn't appear to be much consensus on the category name, nor the definition. A natural language evolved without intent, similar to the theory of species evolution. There isn't a natural correlary for constructed languages. I have found works that refer to them as: model languages, constructed languages, artificial languages, and invented languages. I chose the term constructed.

This is something interesting from the Esperanto FAQ. I will get rid of it as my own content increases.


People create languages for a variety of purposes. J.R.R. Tolkien's languages of Sindarin and Quenya, for example, were created partly as a recreation, and partly to fulfil a literary purpose. Many languages have been created as international languages; only Esperanto has continued to grow and prosper after the death of its originator.

Many of the people who have attempted to promulgate international languages more "perfect" (i.e., more "international", more "logical", or whatever) than Esperanto have failed to understand that -- given a certain minimum standard of internationality, aesthetic quality, and ease of learning -- further tinkering not only fails to substantially improve the product, but interferes with the establishment of a large community of speakers. A language like, say, Interlingua might be (by some individual's criteria) "better" than Esperanto, but in order for it to be worth uprooting the established world of Esperanto and creating an equivalently widespread world community of Interlingua speakers, it would have to be visibly and profoundly an improvement over Esperanto of prodigious proportions. No international language project has yet produced such an obviously ideal language.

In the net community, one of the best known planned language projects is James Cooke Brown's Loglan (and its revised offshoot Lojban). While some enthusiasts do see Loglan and Lojban as competitors to Esperanto, the languages were conceived not as a tool to facilitate better communication, but as a linguistic experiment, to test the Whorf hypothesis that a language shapes (or limits) the thoughts of its speakers. They are thus deliberately designed to bear little resemblance to existing human languages. While Loglan and Lojban are unlikely (and, by design, perhaps unsuited) to succeed as international languages, both are interesting projects in their own right.

The address to write for Loglan information is:
The Loglan Institute
3009 Peters Way
San Diego CA 92117
tel. (619) 270-1691

For Lojban, contact:
Bob LeChevalier, President
The Logical Language Group, Inc.
2904 Beau Lane
Fairfax VA 22031-1303
tel. (703) 385-0273 (day/evenings)

Those interested in Mark Okrand's "Klingon" language can join a mailing list; to subscribe, send a message to:
consisting of the body line:
subscribe tlhingan-hol Your_Real_Name

There is a general "constructed language" (Conlang) mailing list; to subscribe, send a message to:
consisting of the body line (not subject):
subscribe conlang

There is also an "auxiliary language" (Auxlang) mailing list. The difference between this list and Conlang is that Auxlang deals more particularly with languages designed to enhance international communication, such as Esperanto. To subscribe, send a message to:
consisting of the body line (not subject):
subscribe auxlang

Finally, fans of Tolkien's language creations can join a Tolkien-language mailing list. To subscribe, send a message to:
with the following subject line or body line (either will do):
subscribe tolklang Your_Real_Name

As for our own Esperanto newsgroup, many readers are interested in other planned languages, and discussion of these can often be informative and interesting. But politeness dictates that "Esperanto-bashing" in an Esperanto forum is inappropriate and should be avoided.

From a questions list from But a modified,simplified version of Latin such as Interlingua would be more European . . . Wouldn't it?

If you're talking about the abortion created by Alexander Gode in the late forties, forget it. I mean, a constructed language that conserves three conjugations???

If you're referring to one of the names under which the "Latino Sine Flexione" of the Italian mathematician Peano was known -- this is a different kettle of fish. This is Latin as she should have been, shorn of all those complicated declensions, conjugations, and incomprehensible ablative constructions, but -- at least in terms of its vocabulary -- remaining essentially Latin! I don't know whether anybody, or how many, ever spoke this language, but, if you are interested, it would certainly be a better candidate for revival than Gode's Interlingua, Hogben's Interglossa (nowadays resurrected as Glosa), or any of a thousand other stillborn language projects. Some of you university types in Europe should be able to find examples -- I seem to remember reading that one volume in Peano's collected works was written entirely in the language.

That's the end of the excerpt. I'm just sticking this link to Zoinx right here til I get more organized.