• ELF - The Elvish Linguistic Fellowship
• Official website of ELF, an international organization devoted to the scholarly study of the invented languages of Prof. Tolkien.
• By Carl F. Hostetter.

• Tengwestië
• Online journal of the Elvish Linguistic Fellowship.
• By Carl F. Hostetter, Patrick H. Wynne.

• Parma Tyelpelassiva - The book of silver leaves
• Grammatical details of Quenya, Sindarin, Noldorin and Goldogrin plus the well-known Quenya- and Sindarin-courses.
• By Thorsten Renk.

• I Lam Arth - The Noble Tongue
• Very interesting articles about Sindarin and Noldorin.
• By Aaron Shaw.

• Gwaith-i-Phethdain - Fellowship of the Word-smiths
• Poems and calligraphy, articles on grammar and everything concerning Tolkien's languages in the LotR movies.
• By Ryszard Derdzinski.

• Ardalambion - Of the Tongues of Arda
• Interesting descriptions of about all languages of J.R.R. Tolkien.
• By Helge K. Fauskanger.

• The Language Lab
• Small but interesting website on Tolkien's languages, mainly Goldogrin.
• By Patrick H. Wynne.

• Hiswelókë - Sindarin dictionary
• Online dictionary plus various downloadable versions, including well-known Dragon Flame.
• By Didier Willis.

• Mellonath Daeron
• The language guild of the Forodrim, featuring various articles on Elvish languages and the standard index of Tengwar and Cirth specimina.
• By Måns Björkman.

• Lambion Ardava, über die Sprachen Ardas
• Interesting German website about early Qenya, later Quenya and Sindarin.
• By Brigitte Raßbach.

• Das Sindarin-Lexikon
• German website containing grammar and vocabulary of Tolkien's Sindarin language.
• By Florian Dombach.

• Amanye Tenceli - The Writing Systems of Aman
• Wonderful articles on Tolkien's invented scripts.
• By Måns Björkman.

• Mellonath Daeron Index of Tengwar Specimina (DTS)
• The standard index.
• By Måns Björkman.

• Mellonath Daeron Index of Cirth Specimina (DCS)
• The standard Index.
• By Måns Björkman.

• Elfling
• "The Elfling list exists to further the scholarly study of the languages invented by J.R.R. Tolkien."
• By David Salo.

• Lambengolmor
• "This group exists to serve those interested in the scholarly study and discussion of the invented languages of J.R.R. Tolkien."
• By Carl F. Hostetter.

• Elfcript
• "Discussion of JRR Tolkien's orthographies and scripts, such as Tengwar and Cirth."

• The Tolkien Language List (TolkLang)
• "A mailing list whose purpose is discussions of the linguistic aspects of J.R.R. Tolkien's works"
• By Julian Bradfield.

• Elendili - Westron Speaker's Corner
• The English subforum concerning Tolkien's languages on Gwaith-i-Phethdain's otherwise Polish forum.
• By Ryszard Derdzinski.

• Tolkien-Board
• German forum about Tolkien's languages and scripts.