DW-World.de
Information on rituals, history, and culture, as well as an introduction to Germany for Klingons.
Ex Astris Scientia - Galleries - Klingons
A gallery with Klingon images.
House of Kasara
Well-respected family line within the Klingon Empire; best known for its Schools of Military Arts and Diplomacy as well as its large Merchant Marine Fleet. A matriarchal line that values honour and loyalty. An open house that is currently accepting new line members.
House of Ku'vaj
The Official House 0f Ku'vaj site, featuring information of the Ku'vaj line and Mek'tor's own "Rejects: the X Generation."
K'Tesh's Klingon Recipe Pages
Features a lot of Star Trek recipes. Also a leading resource for Klingon weapons information.
Klingon Imperial Diplomatic Corps
Klingon cultural resource about the Klingon society, traditions, and rituals.
Klingon Imperial Weapons Guild
A not-for-profit organization dedicated to promoting and preserving the ancient art of Klingon bladed weaponry. The KIWG also has a private member's forum and mailing list.
Klingons
Information on the Klingon race and culture.
StarTrek.com: Library: Klingon Culture
The official Star Trek site on Klingon culture.
The House of Veska
A Klingon site which enjoys making fantasy about itself as a great Klingon house.