wikipedia is a free online encyclopedia.
wiktionary is a free online dictionary.
wikiquote a free online compendium of quotations from notable people and creative works in every language.
wikibooks, a collectionof free, open-content text books that you can edit
wikisource a libary that anyone can edit
wikinews the free news source you can write
wikicommons free online media files
wikispecies a free online line directory of life
