Romanid
Science, Social Sciences, Linguistics, Languages - Romanid. Documentation site of Romanid, an interlatinid naturalistic constructed language.
http://romanid.fw.hu/
Lango
Science, Social Sciences, Linguistics, Languages - Lango. Grammar, dictionary, texts.
https://www.langosite.narod.ru/
Sino-Tibetan Etymological Dictionary and Thesaurus
Science, Social Sciences, Linguistics, Languages - Sino-Tibetan Etymological Dictionary and Thesaurus. Fonts, bibliography, etymology and thesaurus lookup for Chinese and other Sino-Tibetan languages.
https://stedt.berkeley.edu/
Some Phrases in Esperanto
Science, Social Sciences, Linguistics, Languages - Esperanto Phrases. Some phrases in Esperanto, including curses.
https://esperantophrases.tripod.com/
Includes information, a translator, and a phrasebook.
The Universal Translator Assistant Project an open source translation tool for a variety of Science Fiction languages. The goal is fast and fun tools to give you access to the languages of the Universe!
https://www.mrklingon.org/
Klingonska Akademien.
Science, Social Sciences, Linguistics, Languages - Klingonska Akademien. Includes documentation of all canon, careful analyses, links, and reference materials.
http://klingonska.org/
The Klingon Language Institute
Science, Social Sciences, Linguistics, Languages - Klingon Language Institute. Nonprofit organization offers language tutorials, related merchandise, mailing list and membership information.
https://www.kli.org/
Eldalamberon Home Page
Science, Social Sciences, Linguistics, Languages - Eldalamberon. An irregularly published magazine, Parma Eldalamberon, which focuses on Tolkien's languages.
http://www.eldalamberon.com/
The Elvish Linguistic Fellowship
Science, Social Sciences, Linguistics, Languages - Elvish Linguistic Fellowship. An international organization devoted to the scholarly study of the invented languages of J.
https://www.elvish.org/
Argtxep: Concept of the Citadel
Science, Social Sciences, Linguistics, Languages - Argtxep: Concept of the Citadel. Texts, images and MP3 files of Silarg (constructed language) and Argpal (writing).
http://jp.mallaroni.free.fr/