Content portals – A unique way to navigate the encyclopedia. Wikipedia's sister projects Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation , a non-profit organization that also hosts a range of other volunteer projects :

An online encyclopedia, also called an Internet encyclopedia, is a digital encyclopedia accessible through the Internet. Some examples include Encyclopedia.com since 1998, Encarta from 2000 to 2009, Wikipedia since 2001, and Encyclopædia Britannica since 2016.

Wikipedia seeks to create a summary of all human knowledge in the form of an online encyclopedia, with each topic covered encyclopedically in one article. Since it has terabytes of disk space, it can have far more topics than can be covered by any printed encyclopedia.

The English Wikipedia is the primary [a] English-language edition of Wikipedia, an online encyclopedia. It was created by Jimmy Wales and Larry Sanger on 15 January 2001, as Wikipedia's first edition.

A wiki (/ ˈ w ɪ k i / ⓘ WICK-ee) is a form of hypertext publication on the internet which is collaboratively edited and managed by its audience directly through a web browser. A typical wiki contains multiple pages that can either be edited by the public or limited to use within an organization for maintaining its internal knowledge base.

Wikipedia is a free online encyclopedia that anyone can edit, and millions already have. Wikipedia's purpose is to benefit readers by presenting information on all branches of knowledge.

An online encyclopedia, also called an Internet encyclopedia, is a digital encyclopedia accessible through the Internet. Some examples include Encyclopedia.com since 1998, Encarta from 2000 to 2009, Wikipedia since 2001, and Encyclopædia Britannica since 2016.

Developed specifically to provide comprehensive and global coverage of the world around us, this unique product contains thousands of timely, relevant, and essential articles drawn from the Encyclopædia Britannica itself, as well as from the Britannica Concise Encyclopedia, the Britannica Encyclopedia of World Religions, and Compton's by ...

Wikipedia logo featuring Wikipedia's slogan, "The Free Encyclopedia" The subtitle of Wikipedia is the free encyclopedia that anyone can edit.

Encyclopedia.com allows users to access information on a subject that is derived from multiple encyclopedias and dictionary sources, [8] and it has nearly 200,000 entries and 50,000 topic summaries.