Omega

Omega may refer to a wide variety of wikis, which include the following:
 * OmegaWiki — a major wiki which pioneered in Germany the use of wikidata to create a truely multilingual, multifaceted dictionary and thesaurus
 * Omega Wiki — a German Wikia wiki on the Omega Saga
 * Alpha and Omega Wiki — a Wikia wiki on movies and films
 * Omega Comics Wiki — a wiki on Omega Comics
 * Point Omega Research — a wiki on ??????

There may be other wikis with 'omega' in their title or text, as found from this search