cool Wikimedia projects

WikiBooks
http://en.wikibooks.org/
description: a collection of open-content textbooks

WikiQuotes
http://en.wikiquote.org/
description: a free online compendium of quotations from notable people and creative works in every language, including sources (where known), translations of non-English quotes, and links to Wikipedia for further information

WikiNews
http://en.wikinews.org/
Free content news source