This is a list of well-known online encyclopedias—i.e.,
encyclopedia
An encyclopedia (American English) or encyclopædia (British English) is a reference work or compendium providing summaries of knowledge either general or special to a particular field or discipline. Encyclopedias are divided into articles ...
s accessible or formerly accessible on the
Internet
The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a ''internetworking, network of networks'' that consists ...
.
The largest
online encyclopedia
An online encyclopedia, also called an Internet encyclopedia, or a digital encyclopedia, is an encyclopedia accessible through the internet. Examples include Wikipedia and ''Encyclopædia Britannica''.
Digitization of old content
In January 19 ...
s are general reference works, though there are also many specialized ones. Some online encyclopedias are online editions of a print encyclopedia, such as ''
Encyclopædia Britannica
The ( Latin for "British Encyclopædia") is a general knowledge English-language encyclopaedia. It is published by Encyclopædia Britannica, Inc.; the company has existed since the 18th century, although it has changed ownership various ...
'', whereas others are a separate enterprise entirely, such as
Wikipedia
Wikipedia is a multilingual free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and using a wiki-based editing system. Wikipedia is the largest and most-read ref ...
.
General reference
Biography
Antiquities, arts, and literature
Regional interest
US-specific
Pop culture and fiction
Mathematics
Media
Philosophy
Politics, law, and history
Religion and theology
Science and technology
Life sciences
Medical
See also
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Chinese encyclopedia
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List of academic databases and search engines
This article contains a representative list of notable databases and search engines useful in an academic setting for finding and accessing articles in academic journals, institutional repositories, archives, or other collections of scientific an ...
*
List of blogs
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List of Danish online encyclopedic resources
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List of encyclopedias by branch of knowledge
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List of online databases
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List of online dictionaries
An online dictionary is a dictionary that is accessible via the Internet through a web browser. They can be made available in a number of ways: free, free with a paid subscription for extended or more professional content, or a paid-only service. ...
*
List of multilingual MediaWiki sites
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List of wikis
This article contains a list of notable wikis, which are websites that use wiki software, allowing users to collaboratively edit content and view old versions of the content. These websites use several different wiki software packages.
Tabl ...
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List of Wikipedias
References
External links
"Encyclopedic Knowledge, Then vs. Now", ''The New York Times'', May 3, 2009
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*encyclopedias
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