Planlingue

1827 - Sol-Re-Sol - François Sudre

1839 - Comunicationsprache - Joseph Schipfer

1844 - Kosmos - Eugène Lauda

1845 - Universal - Bonifacio Santos Ochandiano

1868 - Universalglot - Jean Pirro

1879 - Volapük - Johan Martin Schleyer

1887 - Esperanto - Ludoviko Zamenhof

1888 - Mundolinco - Jacob Braakman

1888 - Mundolingue - Julius Lott

1890 - Spokil - Adolph Nicolas

1893 - Dil – Flewerger

1893 - Balta – Dormoy

1896 - Veltparl – W. Von Arnim

1899 - Bolak - Léon Bollack

1902 - Idiom Neutral – Waldemar Rosenberg

1902 - Tutonish

1903 - Latino sine flexione - Giuseppe Peano

1907 - Ido – Louis Couturat, Louis de Beaufront e a.

1908 - Adjuvilo – Claudius Colas

1922 - Occidental- Edgar de Wahl

1928 - Novial– Otto Jaspersen

1935 - Sona– Kenneth Searight

1937 - Esperanto II – René de Saussure

1943 - Mondial - Helge Heimer

1943 - Interglossa– Lancelot Hogben

1951 - Interlingua – Alexander Gode e IALA

1955 - Loglan - James Cooke Brown

1956 - Intal - Erich Weferling

1957 - Frater - Phan Xuan Thai

1961 - Neo- Arturo Alfandari

1962 - Teonaht- Sally Caves

1962 - Babm- Rikichi Okamoto

1977 - Alurhsa - Anthony Harris

1978 - Kotava - Staren Fetcey

1978 - Ithkuil - John Quijada

1979 - Glosa- R. Clark W. Ashby

1979 - Talossan - R.Ben Madison

1984 - Slovio  - Mark Hucko

1984 - Klingon - Marc Okrand

1984 - Denden - Boudewijn

1987 - Lojban - Logical Lenguage Group

1996 - Brithenig - Andrew Smith

1996 - Europanto - Diego Marini

1998 - Lingua Franca Nova - George Boeree

1999 - Qatama- Carl Buck

1999 - Dagaspregos - Thomas Wier

2001 - Toki Pona - Sonja Elen Kisa

2002 - Wenedyk - Jan van Steenbergen