The Klingon Wiki is a free and open database for all kind of information about the Klingon language. Since its initiation in March 2014, 700 articles have been added to this wiki.
Find out what you need to learn this exciting language. Anyone can contribute. Everybody can learn Klingon.
The Klingon Dictionary is the primary source that describes the Klingon Language. The first half of the book is a description of the grammar, and the second half contains vocabulary lists, arranged in both English->Klingon and Klingon->English. One should note that there are some words which appear in one side and not the other.
Find all canon sources at the Portal Canon.