From SFWiki

SFWiki is a user-created and maintained repository of knowledge about the San Francisco Bay Area. What are the best restaurants? How do you get around? How do you find an affordable apartment? Who is the Happy Happy Happy Man? The answers to these questions and others are here!

For an introduction to creating and maintaing content for the site, see the Wiki Guide.

The site contains many guides to particular aspects of the Bay Area. In addition, it contains portals, pages that describe all of the relevant content for a particular part of the SFWiki community.