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Welcome to Citizendium

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The server hardware upgrade was completed on 7/21/2020, and monthly server costs went down. HTTPS is enabled again. An all-volunteer technical staff is working on additional upgrades for the future.

A Supportive Community of Writers in a Wikipedia-like Setting

Welcome to Citizendium, a wiki for providing free knowledge where authors use their real names. We welcome anyone who wants to share their knowledge by writing and improving articles on virtually any subject. Please consider joining us!

See Recent Changes—an overview of articles we are writing now.

Join us


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.

While this wiki was unsuccessful in achieving its original goals from fifteen years ago (see https://www.quora.com/What-is-the-difference-between-Wikipedia-and-Citizendium), a dedicated few writers have continued working in the wiki, improving articles that they believe are useful, and which for various reasons probably could not be written in Wikipedia. We intend to keep the wiki running.

Some of our finest

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Citable Articles (166)
Developed Articles (1,135)
(16,877 total articles)

No man is wise enough by himself.
Titus Maccius Plautus (254 BC - 184 BC), Miles Gloriosus
       —add a quotation about knowledge or writing
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Questions and answers to help you find the information you need

More about the project