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Natural Sciences     Social Sciences     Humanities     Arts     Applied Arts and Sciences     Recreation A project to develop a comprehensive compendium of knowledge Welcome to Citizendium, a wiki for providing free knowledge where authors use their real, verified names. We welcome anyone who wants to share their knowledge by writing and improving articles on virtually any subject. Expert authors can be recognized with a special role, but membership is open to all. See Recent Changes—an overview of articles we are writing now. Join us Join here and start a new article or improve existing ones. Get started: How to collaborate | How to format pages Wikipedians are very welcome! For more details on participation, see Why Citizendium? and Why I Contribute. Our help system and forum Questions and answers to help you find the information you need We Need Support From Donations! Please help! Funds are used to pay for hosting our servers. See our financial report for complete details. Please make your donations here.

Some of our finest Citable Articles (145) Developed Articles (1,149) (17,709 total articles) That which we know is a little thing; that which we do not know is immense. — Pierre-Simon de Laplace (1749–1827), French physicist and mathematician, systematizer and elaborator of probability theory        —add a quotation about knowledge or writing •Did You Know? •Citizendium Blog - Latest entry: 01-Jan-2013 Monthly Donation Day  |  Monthly Donor Honor Roll CZ:Monthly Honor Roll of Users Editing the Wiki More about the project We have a Charter to provide a framework for governance. We have 17,709 articles at different stages of development, of which 145 have expert-approved citable versions. Our community is collegial and congenial; everyone writes under his or her verified real name. We prefer new material but allow work from other sites to be imported and improved under certain conditions. For a brief guide on what Citizendium is and is not, see Myths and Facts; for more details, see the frequently-asked questions page. Students in higher education write here as part of their courses under our Eduzendium initiative. To learn more about the project, see our article on ourselves, our Help System, our financial report and our Statistics page. Follow us on Twitter (general news; new pages), Facebook or Google+. Comment on articles nominated for approval. You can discuss any article on its Talk page.