In cooperation with MediaGlyphs (www.mediaglyphs.org), we present an extensive list of language names in english, french and the language itself.
Data from the "I don`t speak English" topic here has been used to get quite a lot of names already.
Upon clicking a language, you will get extensive information about it from ethnologue.
But there are still language names untranslated, so that`s what this topic is for! Check the list at http://mediaglyphs.org/mg/p/langnames.html and if you see a language name you can translate, then post it here or mail it to the mediaglyphs project.. Please mention the language code as well (ethnologue and/or iso).
Let me start this off by the translating the following:
FRI, Frisian = Frysk
Also, a little error correction, the language field show FR for Esperanto and Interlingua, it would be better to leave the field empty for these conlangs, since they belong to no country....