DW radio
German radio channel providing service and information on Klingon language, culture and rituals. In Klingon, English and German.
Klingon and Esperanto: The Odd Couple?
A short article by Glen Proechel, first published in "Esperanto U.S.A." in 1994, comparing the Klingon language to Esperanto.
Klingon as Linguistic Capital
Bachelor's thesis in sociology by Yens Wahlgren. Marc Okrand, the creator of Klingon, and 18 advanced Klingonists are interviewed.
Klingon Language Institute
Nonprofit organization offers language tutorials, related merchandise, mailing list and membership information.
Klingonska Akademien
Includes documentation of all canon, careful analyses, links, and reference materials.
Mara's pIqaD
Information on how to write the Klingon alphabet in longhand.
MrKlingon.org
Includes information, a translator, and a phrasebook.
mu' HaqwI'
A two-way translator and morphological analyzer, available online or as a download.
Nick Nicholas' Klingon Page
A full recording of the projects of a noted expert. It includes translations of Shakespeare, the Bible, and a number of other items. Available in English and Klingon.
Rojqoq
MP3 download of the song "Rojqoq," which translates to "So-Called Peace." Includes the written lyrics in Klingon and English.
Suvwl' van bom
Video clips and vocabulary videos showing hints on spelling and pronunciation.
Tao Te Ching: Klingon Translation
Links, information, and a partial text.
The Klingon Language
Includes dictionary and analysis program, translations of English works, links, and other resources.
tlhIngan Qummem
A directory of interested persons and a collection of relevant materials.
Voragh's Notes on Klingon Cursing
A comprehensive dictionary.