International auxiliary languages

Idiom Neutral is an international auxiliary language, published in 1902 by the International Academy of the Universal Language (Akademi Internasional de Lingu Universal) under the leadership of Waldemar Rosenberger, a St.

Latino sine flexione ("Latin without inflections"), or Peano’s Interlingua (abbreviated as IL), is an international auxiliary language invented by the Italian mathematician Giuseppe Peano (1858–1932) in 1903.

Lincos (an abbreviation of the Latin phrase lingua cosmica) is a constructed language first described in 1960 by Dr.

Lingua Franca Nova (or Elefen) is an auxiliary constructed language originally created by C.

Solresol is a constructed language devised by François Sudre, beginning in 1827.

Toki Pona is a constructed language, first published as draft on the web in 2001 and then as a complete book and e-book Toki Pona: The Language of Good in 2014.

Glosa is an international auxiliary language based on a previous draft auxiliary called Interglossa.

International Sign (IS) is a contact variety of sign language used in a variety of different contexts, particularly at international meetings such as the World Federation of the Deaf (WFD) congress, events such as the Deaflympics, in video clips produced by Deaf people and watched by other Deaf people from around the world, and informally when travelling and socialising.

Afrihili (Ni Afrihili Oluga 'the Afrihili language') is a constructed language designed in 1970 by Ghanaian historian K.

Interslavic (Medžuslovjanski, in Cyrillic Меджусловјански) is a zonal constructed language based on the Slavic languages.

Globish is a trademarked name for a subset of the English language formalized by Jean-Paul Nerrière.

Lingwa de planeta (also Lidepla, LdP) is a constructed international auxiliary language, whose development began in 2006 in Saint-Petersburg, Russia, by a group of enthusiasts, with Dmitri Ivanov being the project leader.

Slovio (from the Slavic word "slovo") is a constructed language begun in 1999 by Mark Hučko.

Neo is an artificially constructed international auxiliary language created by Arturo Alfandari, a Belgian diplomat of Italian descent.

Blissymbols or Blissymbolics was conceived as an ideographic writing system called Semantography consisting of several hundred basic symbols, each representing a concept, which can be composed together to generate new symbols that represent new concepts.

The language Occidental, later Interlingue, is a planned international auxiliary language created by the Balto-German naval officer and teacher Edgar de Wahl, and published in 1922.

The auxiliary language Interglossa was devised by biologist Lancelot Hogben during World War II, as an attempt to put the international lexicon of science and technology, mainly of Greek and Latin origin, into a language with a purely isolating grammar.

Proto-Esperanto (Esperanto: Pra-Esperanto) is the modern term for any of the stages in the evolution of L.

Uropi is a constructed language which was created by Joël Landais, a French English teacher.

Folkspraak (also Folksprák and Folksprak; from folk 'people' and spraak 'language', meaning "the language of the people") is an incompletely developed zonal constructed language based on Germanic languages and intended to be easy to learn for any native speaker of a Germanic language, making it suitable to be a sort of lingua franca amongst the Germanic languages community.

Sambahsa or Sambahsa-Mundialect is an international auxiliary language (IAL) devised by French Dr.

Eurolengo is a constructed language invented by Leslie Jones in 1972.

Ido /ˈiːdoʊ/ is a constructed language created to be a universal second language for speakers of diverse backgrounds.

Europanto is a macaronic language concept with a fluid vocabulary from multiple European languages of the user's choice or need.

Babm (pronounced [bɔˈɑːbɔmu]) is an international auxiliary language created by the Japanese philosopher Rikichi [Fuishiki] Okamoto (1885–1963).

Dutton Speedwords, sometimes called rapmotz IPA: [ˈrapɪŋmɔtəz], is an international auxiliary language as well a shorthand writing system for all the language of the world.

Spokil is a constructed language, created by the Frenchman Adolphe Nicolas.

Frater (lingua sistemfrater), an a posteriori international auxiliary language, published in Frater (Lingua sistemfrater).

Communicationssprache, also known as Universal Glot, Weltsprache and Komuniklingvo, is one of the earliest international auxiliary languages.

Adjuvilo is a language created in 1910 by Claudius Colas under the pseudonym of "Profesoro V.

Sona is a worldlang created by Kenneth Searight and described in a book he published in 1935.

Intal is an international auxiliary language, published in 1956 by the German linguist Erich Weferling.

Bolak is a constructed language that was invented by Léon Bollack.

Mundolinco is a constructed language created by the Dutch author J.

Unish is a constructed language developed by a research team at Sejong University, Korea.

Langue nouvelle (French for 'new language') is a grammatical sketch for a proposed artificial international auxiliary language presented in 1765 by Joachim Faiguet de Villeneuve, a French economist, in the ninth volume of Diderot's encyclopedia.