Wikipedia, the "free encyclopedia that anyone can edit," has more than 3.5 million articles in English covering nearly every subject under the sun.

Wikipedia, the free encyclopedia, is in need of skeptical help.

Wikipedia is a large project that wants to make a free encyclopedia.

Why are there so many more men than women contributing to a "free encyclopedia that anyone can edit"?

Meta Collab - a free collaborative encyclopedia on collaboration.

Wikipedia (www.wikipedia.com) is one such site, a place where 100 or so volunteers have been working since January to compile a free encyclopedia.

MetaCollab.net - Collaboration & business - a free collaborative encyclopedia on collaboration.

In August 2007, he captioned its pages "The world needs a more credible free encyclopedia."

In 1999, Stallman called for development of a free on-line encyclopedia through the means of inviting the public to contribute articles.

Welcome to Wikipedia - the free encyclopedia that anyone can change.