Fandom

Fandom.com (Formerly Wikia and Wikicities) often stylized as FANDOM, is a social wiki-farm website. It is a platform that runs on MediaWiki that is used to edit and create wikis around any topic. Their former name (Wikia) became defunct, but was later put into work as a alternative website titled Wikia.org. While Fandom.com is for wikis about media, wikia.org is for wikis about science, history, politics, etc.

History
Fandom was launched on October 18, 2004 under the name Wikicities.

Content
Fandom hosts a variety of wikis, ranging from popular franchises such as Star Wars, Star Trek, Mission: Impossible, and other franchises, to TV shows, games, and popular culture Fandoms.

Meanwhile the wikia.org counterpart hosts content related to real life aspects, such as LGBT, Math, and other topics.