International Auxiliary Languages (IALs) are languages constructed with the aim of facilitating communication between people who would otherwise have no other language in common. They are usually designed to be significantly simpler, and thus in theory easier to learn than natural languages.
Opinions and information on Esperanto, Ido, Folkspraak, Glosa and Volapük by William W. Patterson.
An encyclopedia article on Basic English, including sections on grammar, criticisms, and word lists.
Known also as EL is a rational multi-method language designed by its creator Yoshiko McFarland.
Archives of Europanto in Europanto, English and French.
A brief encyclopedia article on the international auxiliary jest language.
Grammar, dictionary, texts.
A written language based on multimedia ideograms.
A new international language, designed to be a pidgin to be shared by people around the world.
An encyclopedia article on Novial, including comparison with Esperanto and Ido.
Ongoing revision project to revive and improve Novial language and update the vocabulary though remaining faithful to the general directions of creator of the language Otto Jespersen.
Documentation site of Romanid, an interlatinid naturalistic constructed language.
A constructed Slavic interlanguage based on what the living Slavic languages have in common.
Constructed language based on Slavic languages.
A project with the purpose to form an English-based, but neutral-pronounced written language for the European Union.
Bruce R. Gilson's language page with links to specific languages, descriptions of their backgrounds and language-related links.
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